139915133 has 2 divisors, whose sum is σ = 139915134. Its totient is φ = 139915132.

The previous prime is 139915129. The next prime is 139915159. The reversal of 139915133 is 331519931.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110733529 + 29181604 = 10523^2 + 5402^2 .

It is a cyclic number.

It is not a de Polignac number, because 139915133 - 2² = 139915129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 139915093 and 139915102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (139915123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69957566 + 69957567.

It is an arithmetic number, because the mean of its divisors is an integer number (69957567).

Almost surely, 2^139915133 is an apocalyptic number.

It is an amenable number.

139915133 is a deficient number, since it is larger than the sum of its proper divisors (1).

139915133 is an equidigital number, since it uses as much as digits as its factorization.

139915133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10935, while the sum is 35.

The square root of 139915133 is about 11828.5727372325. The cubic root of 139915133 is about 519.1444672159.

The spelling of 139915133 in words is "one hundred thirty-nine million, nine hundred fifteen thousand, one hundred thirty-three".