138622762 has 8 divisors (see below), whose sum is σ = 214641792. Its totient is φ = 67075500.

The previous prime is 138622753. The next prime is 138622769. The reversal of 138622762 is 267226831.

138622762 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (138622769) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1117864 + ... + 1117987.

It is an arithmetic number, because the mean of its divisors is an integer number (26830224).

Almost surely, 2^138622762 is an apocalyptic number.

138622762 is a deficient number, since it is larger than the sum of its proper divisors (76019030).

138622762 is a wasteful number, since it uses less digits than its factorization.

138622762 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2235884.

The product of its digits is 48384, while the sum is 37.

The square root of 138622762 is about 11773.8167983029. The cubic root of 138622762 is about 517.5411055900.

The spelling of 138622762 in words is "one hundred thirty-eight million, six hundred twenty-two thousand, seven hundred sixty-two".