139356001 has 2 divisors, whose sum is σ = 139356002. Its totient is φ = 139356000.

The previous prime is 139355969. The next prime is 139356029. The reversal of 139356001 is 100653931.

It is an a-pointer prime, because the next prime (139356029) can be obtained adding 139356001 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96059601 + 43296400 = 9801^2 + 6580^2 .

It is a cyclic number.

It is not a de Polignac number, because 139356001 - 2⁵ = 139355969 is a prime.

It is not a weakly prime, because it can be changed into another prime (139356071) 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 as a sum of consecutive naturals, namely, 69678000 + 69678001.

It is an arithmetic number, because the mean of its divisors is an integer number (69678001).

Almost surely, 2^139356001 is an apocalyptic number.

It is an amenable number.

139356001 is a deficient number, since it is larger than the sum of its proper divisors (1).

139356001 is an equidigital number, since it uses as much as digits as its factorization.

139356001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2430, while the sum is 28.

The square root of 139356001 is about 11804.9142733016. The cubic root of 139356001 is about 518.4520050538.

The spelling of 139356001 in words is "one hundred thirty-nine million, three hundred fifty-six thousand, one".