479154138 has 8 divisors (see below), whose sum is σ = 958308288. Its totient is φ = 159718044.

The previous prime is 479154133. The next prime is 479154149. The reversal of 479154138 is 831451974.

It is a happy number.

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

479154138 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 479154138.

It is not an unprimeable number, because it can be changed into a prime (479154133) 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, 39929506 + ... + 39929517.

It is an arithmetic number, because the mean of its divisors is an integer number (119788536).

Almost surely, 2^479154138 is an apocalyptic number.

479154138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

479154138 is a wasteful number, since it uses less digits than its factorization.

479154138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79859028.

The product of its digits is 120960, while the sum is 42.

The square root of 479154138 is about 21889.5897174890. The cubic root of 479154138 is about 782.5133358961.

The spelling of 479154138 in words is "four hundred seventy-nine million, one hundred fifty-four thousand, one hundred thirty-eight".