139892023 has 2 divisors, whose sum is σ = 139892024. Its totient is φ = 139892022.

The previous prime is 139892021. The next prime is 139892083. The reversal of 139892023 is 320298931.

139892023 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 139892023 - 2¹ = 139892021 is a prime.

Together with 139892021, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (139892021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69946011 + 69946012.

It is an arithmetic number, because the mean of its divisors is an integer number (69946012).

Almost surely, 2^139892023 is an apocalyptic number.

139892023 is a deficient number, since it is larger than the sum of its proper divisors (1).

139892023 is an equidigital number, since it uses as much as digits as its factorization.

139892023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 139892023 is about 11827.5958250187. The cubic root of 139892023 is about 519.1158830092.

The spelling of 139892023 in words is "one hundred thirty-nine million, eight hundred ninety-two thousand, twenty-three".