137245172477 has 8 divisors (see below), whose sum is σ = 157890379392. Its totient is φ = 116859654000.

The previous prime is 137245172459. The next prime is 137245172479. The reversal of 137245172477 is 774271542731.

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 137245172477 - 2¹⁴ = 137245156093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137245172479) 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, 64920974 + ... + 64923087.

It is an arithmetic number, because the mean of its divisors is an integer number (19736297424).

Almost surely, 2^137245172477 is an apocalyptic number.

It is an amenable number.

137245172477 is a deficient number, since it is larger than the sum of its proper divisors (20645206915).

137245172477 is a wasteful number, since it uses less digits than its factorization.

137245172477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129844219.

The product of its digits is 2304960, while the sum is 50.

The spelling of 137245172477 in words is "one hundred thirty-seven billion, two hundred forty-five million, one hundred seventy-two thousand, four hundred seventy-seven".