137045272165 has 4 divisors (see below), whose sum is σ = 164454326604. Its totient is φ = 109636217728.

The previous prime is 137045272151. The next prime is 137045272193. The reversal of 137045272165 is 561272540731.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 49889242881 + 87156029284 = 223359^2 + 295222^2 .

It is a cyclic number.

It is not a de Polignac number, because 137045272165 - 2¹³ = 137045263973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13704527212 + ... + 13704527221.

It is an arithmetic number, because the mean of its divisors is an integer number (41113581651).

Almost surely, 2^137045272165 is an apocalyptic number.

It is an amenable number.

137045272165 is a deficient number, since it is larger than the sum of its proper divisors (27409054439).

137045272165 is an equidigital number, since it uses as much as digits as its factorization.

137045272165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27409054438.

The product of its (nonzero) digits is 352800, while the sum is 43.

The spelling of 137045272165 in words is "one hundred thirty-seven billion, forty-five million, two hundred seventy-two thousand, one hundred sixty-five".