137089978 has 16 divisors (see below), whose sum is σ = 221739840. Its totient is φ = 63352800.

The previous prime is 137089969. The next prime is 137090033. The reversal of 137089978 is 879980731.

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, 42438 + ... + 45553.

It is an arithmetic number, because the mean of its divisors is an integer number (13858740).

Almost surely, 2^137089978 is an apocalyptic number.

137089978 is a deficient number, since it is larger than the sum of its proper divisors (84649862).

137089978 is a wasteful number, since it uses less digits than its factorization.

137089978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88053.

The product of its (nonzero) digits is 762048, while the sum is 52.

The square root of 137089978 is about 11708.5429494878. The cubic root of 137089978 is about 515.6265074605.

The spelling of 137089978 in words is "one hundred thirty-seven million, eighty-nine thousand, nine hundred seventy-eight".