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137867797 = 1131996131
BaseRepresentation
bin10000011011110…
…11001000010101
3100121102102001201
420031323020111
5240243232142
621402552501
73262566634
oct1015731025
9317372051
10137867797
1170906131
123a208731
13227419a2
141444b51b
15c184ab7
hex837b215

137867797 has 8 divisors (see below), whose sum is σ = 139809600. Its totient is φ = 135938880.

The previous prime is 137867791. The next prime is 137867801. The reversal of 137867797 is 797768731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 137867797 - 227 = 3650069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137867791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19422 + ... + 25552.

It is an arithmetic number, because the mean of its divisors is an integer number (17476200).

Almost surely, 2137867797 is an apocalyptic number.

It is an amenable number.

137867797 is a deficient number, since it is larger than the sum of its proper divisors (1941803).

137867797 is a wasteful number, since it uses less digits than its factorization.

137867797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6443.

The product of its digits is 3111696, while the sum is 55.

The square root of 137867797 is about 11741.7118428277. The cubic root of 137867797 is about 516.5998534947.

The spelling of 137867797 in words is "one hundred thirty-seven million, eight hundred sixty-seven thousand, seven hundred ninety-seven".

Divisors: 1 113 199 6131 22487 692803 1220069 137867797