139650808 has 32 divisors (see below), whose sum is σ = 286254000. Its totient is φ = 63343360.

The previous prime is 139650793. The next prime is 139650809. The reversal of 139650808 is 808056931.

It is a happy number.

139650808 is nontrivially palindromic in base 7.

139650808 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139650809) 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, 48678 + ... + 51466.

Almost surely, 2^139650808 is an apocalyptic number.

It is an amenable number.

139650808 is an abundant number, since it is smaller than the sum of its proper divisors (146603192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

139650808 is a wasteful number, since it uses less digits than its factorization.

139650808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3375 (or 3371 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 139650808 is about 11817.3942982368. The cubic root of 139650808 is about 518.8173418552.

The spelling of 139650808 in words is "one hundred thirty-nine million, six hundred fifty thousand, eight hundred eight".