137706742 has 8 divisors (see below), whose sum is σ = 206658936. Its totient is φ = 68820432.

The previous prime is 137706739. The next prime is 137706799. The reversal of 137706742 is 247607731.

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

It is a congruent number.

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, 10863 + ... + 19834.

It is an arithmetic number, because the mean of its divisors is an integer number (25832367).

Almost surely, 2^137706742 is an apocalyptic number.

137706742 is a deficient number, since it is larger than the sum of its proper divisors (68952194).

137706742 is a wasteful number, since it uses less digits than its factorization.

137706742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32942.

The product of its (nonzero) digits is 49392, while the sum is 37.

The square root of 137706742 is about 11734.8515968460. The cubic root of 137706742 is about 516.3986138282.

The spelling of 137706742 in words is "one hundred thirty-seven million, seven hundred six thousand, seven hundred forty-two".