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137160311 = 149920539
BaseRepresentation
bin10000010110011…
…10011001110111
3100120002110120112
420023032121313
5240103112221
621335453235
73253562201
oct1013163167
9316073515
10137160311
1170472632
1239b2721b
1322554962
1414305771
15c09515b
hex82ce677

137160311 has 4 divisors (see below), whose sum is σ = 138081000. Its totient is φ = 136239624.

The previous prime is 137160299. The next prime is 137160329. The reversal of 137160311 is 113061731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 113061731 = 611853471.

It is a cyclic number.

It is not a de Polignac number, because 137160311 - 226 = 70051447 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 (137160371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 460121 + ... + 460418.

It is an arithmetic number, because the mean of its divisors is an integer number (34520250).

Almost surely, 2137160311 is an apocalyptic number.

137160311 is a deficient number, since it is larger than the sum of its proper divisors (920689).

137160311 is an equidigital number, since it uses as much as digits as its factorization.

137160311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920688.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 137160311 is about 11711.5460550689. The cubic root of 137160311 is about 515.7146718411.

The spelling of 137160311 in words is "one hundred thirty-seven million, one hundred sixty thousand, three hundred eleven".

Divisors: 1 149 920539 137160311