481404136 has 8 divisors (see below), whose sum is σ = 902632770. Its totient is φ = 240702064.

The previous prime is 481404107. The next prime is 481404139. The reversal of 481404136 is 631404184.

It can be written as a sum of positive squares in only one way, i.e., 479172100 + 2232036 = 21890^2 + 1494^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 481404098 and 481404107.

It is not an unprimeable number, because it can be changed into a prime (481404139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30087751 + ... + 30087766.

Almost surely, 2^481404136 is an apocalyptic number.

It is an amenable number.

481404136 is a deficient number, since it is larger than the sum of its proper divisors (421228634).

481404136 is a wasteful number, since it uses less digits than its factorization.

481404136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60175523 (or 60175519 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 481404136 is about 21940.9237727129. The cubic root of 481404136 is about 783.7362581204.

The spelling of 481404136 in words is "four hundred eighty-one million, four hundred four thousand, one hundred thirty-six".