139550463 has 24 divisors (see below), whose sum is σ = 217500192. Its totient is φ = 85710528.

The previous prime is 139550443. The next prime is 139550471. The reversal of 139550463 is 364055931.

139550463 is a `hidden beast` number, since 1 + 3 + 95 + 504 + 63 = 666.

It is not a de Polignac number, because 139550463 - 2⁸ = 139550207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139550443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89670 + ... + 91212.

It is an arithmetic number, because the mean of its divisors is an integer number (9062508).

Almost surely, 2^139550463 is an apocalyptic number.

139550463 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

139550463 is a deficient number, since it is larger than the sum of its proper divisors (77949729).

139550463 is a wasteful number, since it uses less digits than its factorization.

139550463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2335 (or 2332 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 36.

The square root of 139550463 is about 11813.1478869944. The cubic root of 139550463 is about 518.6930480274.

The spelling of 139550463 in words is "one hundred thirty-nine million, five hundred fifty thousand, four hundred sixty-three".