961139318 has 8 divisors (see below), whose sum is σ = 1504392048. Its totient is φ = 459675304.

The previous prime is 961139317. The next prime is 961139357. The reversal of 961139318 is 813931169.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (961139317) 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, 10447121 + ... + 10447212.

It is an arithmetic number, because the mean of its divisors is an integer number (188049006).

Almost surely, 2^961139318 is an apocalyptic number.

961139318 is a deficient number, since it is larger than the sum of its proper divisors (543252730).

961139318 is a wasteful number, since it uses less digits than its factorization.

961139318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20894358.

The product of its digits is 34992, while the sum is 41.

The square root of 961139318 is about 31002.2469830817. The cubic root of 961139318 is about 986.8749254257.

The spelling of 961139318 in words is "nine hundred sixty-one million, one hundred thirty-nine thousand, three hundred eighteen".