139490683 has 4 divisors (see below), whose sum is σ = 139514400. Its totient is φ = 139466968.

The previous prime is 139490639. The next prime is 139490707. The reversal of 139490683 is 386094931.

139490683 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 139490683 - 2¹⁷ = 139359611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139490383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4341 + ... + 17257.

It is an arithmetic number, because the mean of its divisors is an integer number (34878600).

Almost surely, 2^139490683 is an apocalyptic number.

139490683 is a deficient number, since it is larger than the sum of its proper divisors (23717).

139490683 is a wasteful number, since it uses less digits than its factorization.

139490683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23716.

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 139490683 is about 11810.6173843707. The cubic root of 139490683 is about 518.6189723169.

The spelling of 139490683 in words is "one hundred thirty-nine million, four hundred ninety thousand, six hundred eighty-three".