137112432491 has 6 divisors (see below), whose sum is σ = 139070798076. Its totient is φ = 135181266500.

The previous prime is 137112432473. The next prime is 137112432493. The reversal of 137112432491 is 194234211731.

It is a happy number.

It is not a de Polignac number, because 137112432491 - 2²⁶ = 137045323627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137112432493) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13594685 + ... + 13604766.

It is an arithmetic number, because the mean of its divisors is an integer number (23178466346).

Almost surely, 2^137112432491 is an apocalyptic number.

137112432491 is a deficient number, since it is larger than the sum of its proper divisors (1958365585).

137112432491 is an frugal number, since it uses more digits than its factorization.

137112432491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27199593 (or 27199522 counting only the distinct ones).

The product of its digits is 36288, while the sum is 38.

The spelling of 137112432491 in words is "one hundred thirty-seven billion, one hundred twelve million, four hundred thirty-two thousand, four hundred ninety-one".