13161756137 has 8 divisors (see below), whose sum is σ = 13427068032. Its totient is φ = 12898664800.

The previous prime is 13161756121. The next prime is 13161756191. The reversal of 13161756137 is 73165716131.

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 13161756137 - 2⁴ = 13161756121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13161756094 and 13161756103.

It is not an unprimeable number, because it can be changed into a prime (13161756637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 543164 + ... + 566877.

It is an arithmetic number, because the mean of its divisors is an integer number (1678383504).

Almost surely, 2^13161756137 is an apocalyptic number.

It is an amenable number.

13161756137 is a deficient number, since it is larger than the sum of its proper divisors (265311895).

13161756137 is a wasteful number, since it uses less digits than its factorization.

13161756137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110279.

The product of its digits is 79380, while the sum is 41.

The spelling of 13161756137 in words is "thirteen billion, one hundred sixty-one million, seven hundred fifty-six thousand, one hundred thirty-seven".