137657842 has 8 divisors (see below), whose sum is σ = 235984896. Its totient is φ = 58996212.

The previous prime is 137657837. The next prime is 137657873. The reversal of 137657842 is 248756731.

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, 4916338 + ... + 4916365.

It is an arithmetic number, because the mean of its divisors is an integer number (29498112).

Almost surely, 2^137657842 is an apocalyptic number.

137657842 is a deficient number, since it is larger than the sum of its proper divisors (98327054).

137657842 is an equidigital number, since it uses as much as digits as its factorization.

137657842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9832712.

The product of its digits is 282240, while the sum is 43.

The square root of 137657842 is about 11732.7678746321. The cubic root of 137657842 is about 516.3374817891.

The spelling of 137657842 in words is "one hundred thirty-seven million, six hundred fifty-seven thousand, eight hundred forty-two".