137638235 has 8 divisors (see below), whose sum is σ = 188761056. Its totient is φ = 94380480.

The previous prime is 137638219. The next prime is 137638243. The reversal of 137638235 is 532836731.

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

It is not a de Polignac number, because 137638235 - 2⁴ = 137638219 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1966226 + ... + 1966295.

It is an arithmetic number, because the mean of its divisors is an integer number (23595132).

Almost surely, 2^137638235 is an apocalyptic number.

137638235 is a deficient number, since it is larger than the sum of its proper divisors (51122821).

137638235 is an equidigital number, since it uses as much as digits as its factorization.

137638235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3932533.

The product of its digits is 90720, while the sum is 38.

The square root of 137638235 is about 11731.9322790408. The cubic root of 137638235 is about 516.3129661505.

The spelling of 137638235 in words is "one hundred thirty-seven million, six hundred thirty-eight thousand, two hundred thirty-five".