139924633 has 2 divisors, whose sum is σ = 139924634. Its totient is φ = 139924632.

The previous prime is 139924601. The next prime is 139924657. The reversal of 139924633 is 336429931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117570649 + 22353984 = 10843^2 + 4728^2 .

It is a cyclic number.

It is not a de Polignac number, because 139924633 - 2⁵ = 139924601 is a prime.

It is not a weakly prime, because it can be changed into another prime (139924033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69962316 + 69962317.

It is an arithmetic number, because the mean of its divisors is an integer number (69962317).

Almost surely, 2^139924633 is an apocalyptic number.

It is an amenable number.

139924633 is a deficient number, since it is larger than the sum of its proper divisors (1).

139924633 is an equidigital number, since it uses as much as digits as its factorization.

139924633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 104976, while the sum is 40.

The square root of 139924633 is about 11828.9743004201. The cubic root of 139924633 is about 519.1562166259.

The spelling of 139924633 in words is "one hundred thirty-nine million, nine hundred twenty-four thousand, six hundred thirty-three".