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137013771 = 3154329599
BaseRepresentation
bin10000010101010…
…10101000001011
3100112211000120010
420022222220023
5240033420041
621332403003
73252412026
oct1012525013
9315730503
10137013771
1170382524
1239a76463
132250304b
14142a81bd
15c066a16
hex82aaa0b

137013771 has 8 divisors (see below), whose sum is σ = 182809600. Its totient is φ = 91280232.

The previous prime is 137013749. The next prime is 137013791. The reversal of 137013771 is 177310731.

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

It is not a de Polignac number, because 137013771 - 25 = 137013739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137013791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10171 + ... + 19428.

It is an arithmetic number, because the mean of its divisors is an integer number (22851200).

Almost surely, 2137013771 is an apocalyptic number.

137013771 is a deficient number, since it is larger than the sum of its proper divisors (45795829).

137013771 is a wasteful number, since it uses less digits than its factorization.

137013771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31145.

The product of its (nonzero) digits is 3087, while the sum is 30.

The square root of 137013771 is about 11705.2881639027. The cubic root of 137013771 is about 515.5309458127.

The spelling of 137013771 in words is "one hundred thirty-seven million, thirteen thousand, seven hundred seventy-one".

Divisors: 1 3 1543 4629 29599 88797 45671257 137013771