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137360121 = 345786707
BaseRepresentation
bin10000010111111…
…11001011111001
3100120110121122220
420023333023321
5240131010441
621344034253
73255353553
oct1013771371
9316417586
10137360121
1170599768
123a002989
13225c48a2
14143584d3
15c0d4466
hex82ff2f9

137360121 has 4 divisors (see below), whose sum is σ = 183146832. Its totient is φ = 91573412.

The previous prime is 137360081. The next prime is 137360123. The reversal of 137360121 is 121063731.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 137360121 - 26 = 137360057 is a prime.

It is a super-2 number, since 2×1373601212 = 37735605682269282, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 137360091 and 137360100.

It is not an unprimeable number, because it can be changed into a prime (137360123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22893351 + ... + 22893356.

It is an arithmetic number, because the mean of its divisors is an integer number (45786708).

Almost surely, 2137360121 is an apocalyptic number.

It is an amenable number.

137360121 is a deficient number, since it is larger than the sum of its proper divisors (45786711).

137360121 is an equidigital number, since it uses as much as digits as its factorization.

137360121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45786710.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 137360121 is about 11720.0734212717. The cubic root of 137360121 is about 515.9649749377.

The spelling of 137360121 in words is "one hundred thirty-seven million, three hundred sixty thousand, one hundred twenty-one".

Divisors: 1 3 45786707 137360121