137704231277 has 4 divisors (see below), whose sum is σ = 137708384256. Its totient is φ = 137700078300.

The previous prime is 137704231271. The next prime is 137704231303. The reversal of 137704231277 is 772132407731.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 137704231277 - 2²⁴ = 137687454061 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 (137704231271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2026349 + ... + 2093202.

It is an arithmetic number, because the mean of its divisors is an integer number (34427096064).

Almost surely, 2^137704231277 is an apocalyptic number.

It is an amenable number.

137704231277 is a deficient number, since it is larger than the sum of its proper divisors (4152979).

137704231277 is an equidigital number, since it uses as much as digits as its factorization.

137704231277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4152978.

The product of its (nonzero) digits is 345744, while the sum is 44.

The spelling of 137704231277 in words is "one hundred thirty-seven billion, seven hundred four million, two hundred thirty-one thousand, two hundred seventy-seven".