137987098 has 8 divisors (see below), whose sum is σ = 207129780. Its totient is φ = 68943840.

The previous prime is 137987089. The next prime is 137987123. The reversal of 137987098 is 890789731.

It can be written as a sum of positive squares in 2 ways, for example, as 126270169 + 11716929 = 11237^2 + 3423^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21283 + ... + 26998.

Almost surely, 2^137987098 is an apocalyptic number.

137987098 is a deficient number, since it is larger than the sum of its proper divisors (69142682).

137987098 is a wasteful number, since it uses less digits than its factorization.

137987098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49712.

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

The square root of 137987098 is about 11746.7909660469. The cubic root of 137987098 is about 516.7488201425.

The spelling of 137987098 in words is "one hundred thirty-seven million, nine hundred eighty-seven thousand, ninety-eight".