9139680634 has 16 divisors (see below), whose sum is σ = 15684084288. Its totient is φ = 3912990912.

The previous prime is 9139680631. The next prime is 9139680661. The reversal of 9139680634 is 4360869319.

It is not an unprimeable number, because it can be changed into a prime (9139680631) 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, 320424 + ... + 347779.

It is an arithmetic number, because the mean of its divisors is an integer number (980255268).

Almost surely, 2^9139680634 is an apocalyptic number.

9139680634 is a deficient number, since it is larger than the sum of its proper divisors (6544403654).

9139680634 is a wasteful number, since it uses less digits than its factorization.

9139680634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669189.

The product of its (nonzero) digits is 839808, while the sum is 49.

The square root of 9139680634 is about 95601.6769413591. The cubic root of 9139680634 is about 2090.7896433943.

The spelling of 9139680634 in words is "nine billion, one hundred thirty-nine million, six hundred eighty thousand, six hundred thirty-four".