137907898 has 8 divisors (see below), whose sum is σ = 210368160. Its totient is φ = 67785180.

The previous prime is 137907857. The next prime is 137907901. The reversal of 137907898 is 898709731.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 584238 + ... + 584473.

It is an arithmetic number, because the mean of its divisors is an integer number (26296020).

Almost surely, 2^137907898 is an apocalyptic number.

137907898 is a deficient number, since it is larger than the sum of its proper divisors (72460262).

137907898 is a wasteful number, since it uses less digits than its factorization.

137907898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1168772.

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

The square root of 137907898 is about 11743.4193487246. The cubic root of 137907898 is about 516.6499356821.

The spelling of 137907898 in words is "one hundred thirty-seven million, nine hundred seven thousand, eight hundred ninety-eight".