137898713 has 8 divisors (see below), whose sum is σ = 153695520. Its totient is φ = 122955840.

The previous prime is 137898689. The next prime is 137898737. The reversal of 137898713 is 317898731.

It is an interprime number because it is at equal distance from previous prime (137898689) and next prime (137898737).

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

It is not a de Polignac number, because 137898713 - 2²⁰ = 136850137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (137898763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213143 + ... + 213788.

It is an arithmetic number, because the mean of its divisors is an integer number (19211940).

Almost surely, 2^137898713 is an apocalyptic number.

It is an amenable number.

137898713 is a deficient number, since it is larger than the sum of its proper divisors (15796807).

137898713 is a wasteful number, since it uses less digits than its factorization.

137898713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426967.

The product of its digits is 254016, while the sum is 47.

The square root of 137898713 is about 11743.0282721281. The cubic root of 137898713 is about 516.6384653817.

The spelling of 137898713 in words is "one hundred thirty-seven million, eight hundred ninety-eight thousand, seven hundred thirteen".