139372043 has 2 divisors, whose sum is σ = 139372044. Its totient is φ = 139372042.

The previous prime is 139372031. The next prime is 139372091. The reversal of 139372043 is 340273931.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 139372043 - 2²⁴ = 122594827 is a prime.

It is not a weakly prime, because it can be changed into another prime (139372643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69686021 + 69686022.

It is an arithmetic number, because the mean of its divisors is an integer number (69686022).

Almost surely, 2^139372043 is an apocalyptic number.

139372043 is a deficient number, since it is larger than the sum of its proper divisors (1).

139372043 is an equidigital number, since it uses as much as digits as its factorization.

139372043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 32.

The square root of 139372043 is about 11805.5937165396. The cubic root of 139372043 is about 518.4718982001.

The spelling of 139372043 in words is "one hundred thirty-nine million, three hundred seventy-two thousand, forty-three".