139795043 has 2 divisors, whose sum is σ = 139795044. Its totient is φ = 139795042.

The previous prime is 139795039. The next prime is 139795057. The reversal of 139795043 is 340597931.

It is a weak prime.

It is an emirp because it is prime and its reverse (340597931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 139795043 - 2² = 139795039 is a prime.

It is not a weakly prime, because it can be changed into another prime (139792043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69897521 + 69897522.

It is an arithmetic number, because the mean of its divisors is an integer number (69897522).

Almost surely, 2^139795043 is an apocalyptic number.

139795043 is a deficient number, since it is larger than the sum of its proper divisors (1).

139795043 is an equidigital number, since it uses as much as digits as its factorization.

139795043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 102060, while the sum is 41.

The square root of 139795043 is about 11823.4953799627. The cubic root of 139795043 is about 518.9958964287.

The spelling of 139795043 in words is "one hundred thirty-nine million, seven hundred ninety-five thousand, forty-three".