139321463 has 2 divisors, whose sum is σ = 139321464. Its totient is φ = 139321462.

The previous prime is 139321459. The next prime is 139321519. The reversal of 139321463 is 364123931.

139321463 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 139321463 - 2² = 139321459 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (139321163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69660731 + 69660732.

It is an arithmetic number, because the mean of its divisors is an integer number (69660732).

Almost surely, 2^139321463 is an apocalyptic number.

139321463 is a deficient number, since it is larger than the sum of its proper divisors (1).

139321463 is an equidigital number, since it uses as much as digits as its factorization.

139321463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 32.

The square root of 139321463 is about 11803.4513173055. The cubic root of 139321463 is about 518.4091704557.

The spelling of 139321463 in words is "one hundred thirty-nine million, three hundred twenty-one thousand, four hundred sixty-three".