137670873 has 8 divisors (see below), whose sum is σ = 183615648. Its totient is φ = 91753344.

The previous prime is 137670853. The next prime is 137670877. The reversal of 137670873 is 378076731.

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

It is not a de Polignac number, because 137670873 - 2⁹ = 137670361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (137670877) 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, 14586 + ... + 22092.

It is an arithmetic number, because the mean of its divisors is an integer number (22951956).

Almost surely, 2^137670873 is an apocalyptic number.

It is an amenable number.

137670873 is a deficient number, since it is larger than the sum of its proper divisors (45944775).

137670873 is an equidigital number, since it uses as much as digits as its factorization.

137670873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13623.

The product of its (nonzero) digits is 148176, while the sum is 42.

The square root of 137670873 is about 11733.3231865486. The cubic root of 137670873 is about 516.3537738296.

The spelling of 137670873 in words is "one hundred thirty-seven million, six hundred seventy thousand, eight hundred seventy-three".