137392898 has 8 divisors (see below), whose sum is σ = 207402492. Its totient is φ = 68258736.

The previous prime is 137392897. The next prime is 137392909. The reversal of 137392898 is 898293731.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 125372809 + 12020089 = 11197^2 + 3467^2 .

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

It is not an unprimeable number, because it can be changed into a prime (137392897) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218465 + ... + 219092.

Almost surely, 2^137392898 is an apocalyptic number.

137392898 is a deficient number, since it is larger than the sum of its proper divisors (70009594).

137392898 is a wasteful number, since it uses less digits than its factorization.

137392898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437716.

The product of its digits is 653184, while the sum is 50.

The square root of 137392898 is about 11721.4716652816. The cubic root of 137392898 is about 516.0060116881.

The spelling of 137392898 in words is "one hundred thirty-seven million, three hundred ninety-two thousand, eight hundred ninety-eight".