137680378 has 16 divisors (see below), whose sum is σ = 230791680. Its totient is φ = 61055200.

The previous prime is 137680363. The next prime is 137680381. The reversal of 137680378 is 873086731.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75418 + ... + 77221.

It is an arithmetic number, because the mean of its divisors is an integer number (14424480).

Almost surely, 2^137680378 is an apocalyptic number.

137680378 is a deficient number, since it is larger than the sum of its proper divisors (93111302).

137680378 is a wasteful number, since it uses less digits than its factorization.

137680378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152693.

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 137680378 is about 11733.7282225216. The cubic root of 137680378 is about 516.3656568314.

The spelling of 137680378 in words is "one hundred thirty-seven million, six hundred eighty thousand, three hundred seventy-eight".