137503706 has 8 divisors (see below), whose sum is σ = 215223264. Its totient is φ = 65762620.

The previous prime is 137503679. The next prime is 137503721. The reversal of 137503706 is 607305731.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1494560 + ... + 1494651.

It is an arithmetic number, because the mean of its divisors is an integer number (26902908).

Almost surely, 2^137503706 is an apocalyptic number.

137503706 is a deficient number, since it is larger than the sum of its proper divisors (77719558).

137503706 is a wasteful number, since it uses less digits than its factorization.

137503706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2989236.

The product of its (nonzero) digits is 13230, while the sum is 32.

The square root of 137503706 is about 11726.1974228648. The cubic root of 137503706 is about 516.1446948139.

The spelling of 137503706 in words is "one hundred thirty-seven million, five hundred three thousand, seven hundred six".