9138976357 has 8 divisors (see below), whose sum is σ = 10726829696. Its totient is φ = 7621694352.

The previous prime is 9138976313. The next prime is 9138976387. The reversal of 9138976357 is 7536798319.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9138976357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9138976387) 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, 17642553 + ... + 17643070.

It is an arithmetic number, because the mean of its divisors is an integer number (1340853712).

Almost surely, 2^9138976357 is an apocalyptic number.

It is an amenable number.

9138976357 is a deficient number, since it is larger than the sum of its proper divisors (1587853339).

9138976357 is a wasteful number, since it uses less digits than its factorization.

9138976357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35285667.

The product of its digits is 8573040, while the sum is 58.

The square root of 9138976357 is about 95597.9934778968. The cubic root of 9138976357 is about 2090.7359386410.

The spelling of 9138976357 in words is "nine billion, one hundred thirty-eight million, nine hundred seventy-six thousand, three hundred fifty-seven".