137190974 has 4 divisors (see below), whose sum is σ = 205786464. Its totient is φ = 68595486.

The previous prime is 137190973. The next prime is 137191007. The reversal of 137190974 is 479091731.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137190971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34297742 + ... + 34297745.

It is an arithmetic number, because the mean of its divisors is an integer number (51446616).

Almost surely, 2^137190974 is an apocalyptic number.

137190974 is a deficient number, since it is larger than the sum of its proper divisors (68595490).

137190974 is an equidigital number, since it uses as much as digits as its factorization.

137190974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68595489.

The product of its (nonzero) digits is 47628, while the sum is 41.

The square root of 137190974 is about 11712.8550746605. The cubic root of 137190974 is about 515.7530993343.

The spelling of 137190974 in words is "one hundred thirty-seven million, one hundred ninety thousand, nine hundred seventy-four".