139736043 has 8 divisors (see below), whose sum is σ = 207016400. Its totient is φ = 93157344.

The previous prime is 139736021. The next prime is 139736057. The reversal of 139736043 is 340637931.

139736043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 139736043 - 2⁵ = 139736011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 139735989 and 139736007.

It is not an unprimeable number, because it can be changed into a prime (139734043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2587678 + ... + 2587731.

It is an arithmetic number, because the mean of its divisors is an integer number (25877050).

Almost surely, 2^139736043 is an apocalyptic number.

139736043 is a deficient number, since it is larger than the sum of its proper divisors (67280357).

139736043 is an equidigital number, since it uses as much as digits as its factorization.

139736043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5175418 (or 5175412 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 36.

The square root of 139736043 is about 11821.0000845952. Note that the first 4 decimals coincide. The cubic root of 139736043 is about 518.9228726980.

The spelling of 139736043 in words is "one hundred thirty-nine million, seven hundred thirty-six thousand, forty-three".