138952825019 has 2 divisors, whose sum is σ = 138952825020. Its totient is φ = 138952825018.

The previous prime is 138952824991. The next prime is 138952825027. The reversal of 138952825019 is 910528259831.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-138952825019 is a prime.

It is a super-2 number, since 2×138952825019² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (138952825519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69476412509 + 69476412510.

It is an arithmetic number, because the mean of its divisors is an integer number (69476412510).

Almost surely, 2^138952825019 is an apocalyptic number.

138952825019 is a deficient number, since it is larger than the sum of its proper divisors (1).

138952825019 is an equidigital number, since it uses as much as digits as its factorization.

138952825019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1555200, while the sum is 53.

The spelling of 138952825019 in words is "one hundred thirty-eight billion, nine hundred fifty-two million, eight hundred twenty-five thousand, nineteen".