137427685897 has 16 divisors (see below), whose sum is σ = 143289621760. Its totient is φ = 131679934848.

The previous prime is 137427685883. The next prime is 137427685907. The reversal of 137427685897 is 798586724731.

It is a cyclic number.

It is not a de Polignac number, because 137427685897 - 2²³ = 137419297289 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (67).

It is not an unprimeable number, because it can be changed into a prime (137427685807) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12803629 + ... + 12814357.

It is an arithmetic number, because the mean of its divisors is an integer number (8955601360).

Almost surely, 2^137427685897 is an apocalyptic number.

It is an amenable number.

137427685897 is a deficient number, since it is larger than the sum of its proper divisors (5861935863).

137427685897 is a wasteful number, since it uses less digits than its factorization.

137427685897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16000.

The product of its digits is 142248960, while the sum is 67.

The spelling of 137427685897 in words is "one hundred thirty-seven billion, four hundred twenty-seven million, six hundred eighty-five thousand, eight hundred ninety-seven".