139147463 has 8 divisors (see below), whose sum is σ = 171258528. Its totient is φ = 110094624.

The previous prime is 139147457. The next prime is 139147471. The reversal of 139147463 is 364741931.

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

It is a cyclic number.

It is not a de Polignac number, because 139147463 - 2²⁰ = 138098887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139147453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 764456 + ... + 764637.

It is an arithmetic number, because the mean of its divisors is an integer number (21407316).

Almost surely, 2^139147463 is an apocalyptic number.

139147463 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

139147463 is a deficient number, since it is larger than the sum of its proper divisors (32111065).

139147463 is a wasteful number, since it uses less digits than its factorization.

139147463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1529113.

The product of its digits is 54432, while the sum is 38.

The square root of 139147463 is about 11796.0782889908. The cubic root of 139147463 is about 518.1932650437.

The spelling of 139147463 in words is "one hundred thirty-nine million, one hundred forty-seven thousand, four hundred sixty-three".