138580299 has 96 divisors (see below), whose sum is σ = 251596800. Its totient is φ = 72334080.

The previous prime is 138580291. The next prime is 138580303. The reversal of 138580299 is 992085831.

It is a happy number.

It is not a de Polignac number, because 138580299 - 2³ = 138580291 is a prime.

It is a super-3 number, since 3×138580299³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (138580291) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1754142 + ... + 1754220.

It is an arithmetic number, because the mean of its divisors is an integer number (2620800).

Almost surely, 2^138580299 is an apocalyptic number.

138580299 is a deficient number, since it is larger than the sum of its proper divisors (113016501).

138580299 is a wasteful number, since it uses less digits than its factorization.

138580299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185 (or 182 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The square root of 138580299 is about 11772.0133791973. The cubic root of 138580299 is about 517.4882557021.

The spelling of 138580299 in words is "one hundred thirty-eight million, five hundred eighty thousand, two hundred ninety-nine".