137370726434 has 8 divisors (see below), whose sum is σ = 206057977500. Its totient is φ = 68684733936.

The previous prime is 137370726431. The next prime is 137370726461. The reversal of 137370726434 is 434627073731.

It can be written as a sum of positive squares in 2 ways, for example, as 132092268025 + 5278458409 = 363445^2 + 72653^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (137370726431) 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, 36692 + ... + 525440.

Almost surely, 2^137370726434 is an apocalyptic number.

137370726434 is a deficient number, since it is larger than the sum of its proper divisors (68687251066).

137370726434 is a wasteful number, since it uses less digits than its factorization.

137370726434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629284.

The product of its (nonzero) digits is 1778112, while the sum is 47.

The spelling of 137370726434 in words is "one hundred thirty-seven billion, three hundred seventy million, seven hundred twenty-six thousand, four hundred thirty-four".