137898 has 24 divisors (see below), whose sum is σ = 307008. Its totient is φ = 44712.

The previous prime is 137873. The next prime is 137909. The reversal of 137898 is 898731.

137898 is nontrivially palindromic in base 12.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 765 + ... + 927.

It is an arithmetic number, because the mean of its divisors is an integer number (12792).

2¹³⁷⁸⁹⁸ is an apocalyptic number.

137898 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

137898 is an abundant number, since it is smaller than the sum of its proper divisors (169110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

137898 is a wasteful number, since it uses less digits than its factorization.

137898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218 (or 215 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 137898 is about 371.3461996574. The cubic root of 137898 is about 51.6637574960.

It can be divided in two parts, 137 and 898, that added together give a triangular number (1035 = T₄₅).

The spelling of 137898 in words is "one hundred thirty-seven thousand, eight hundred ninety-eight".