463139140 has 12 divisors (see below), whose sum is σ = 972592236. Its totient is φ = 185255648.

The previous prime is 463139129. The next prime is 463139141. The reversal of 463139140 is 41931364.

It can be written as a sum of positive squares in 2 ways, for example, as 362217024 + 100922116 = 19032^2 + 10046^2 .

It is not an unprimeable number, because it can be changed into a prime (463139141) 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, 11578459 + ... + 11578498.

It is an arithmetic number, because the mean of its divisors is an integer number (81049353).

Almost surely, 2^463139140 is an apocalyptic number.

It is an amenable number.

463139140 is an abundant number, since it is smaller than the sum of its proper divisors (509453096).

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

463139140 is a wasteful number, since it uses less digits than its factorization.

463139140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23156966 (or 23156964 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 463139140 is about 21520.6677405698. The cubic root of 463139140 is about 773.6962554548.

Subtracting from 463139140 its product of nonzero digits (7776), we obtain a palindrome (463131364).

The spelling of 463139140 in words is "four hundred sixty-three million, one hundred thirty-nine thousand, one hundred forty".