9139420677 has 24 divisors (see below), whose sum is σ = 13059573696. Its totient is φ = 5683729408.

The previous prime is 9139420669. The next prime is 9139420699. The reversal of 9139420677 is 7760249319.

It is a happy number.

It is not a de Polignac number, because 9139420677 - 2³ = 9139420669 is a prime.

It is a super-2 number, since 2×9139420677² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9139420637) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51328 + ... + 144614.

It is an arithmetic number, because the mean of its divisors is an integer number (544148904).

Almost surely, 2^9139420677 is an apocalyptic number.

It is an amenable number.

9139420677 is a deficient number, since it is larger than the sum of its proper divisors (3920153019).

9139420677 is a wasteful number, since it uses less digits than its factorization.

9139420677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93437 (or 93420 counting only the distinct ones).

The product of its (nonzero) digits is 571536, while the sum is 48.

The square root of 9139420677 is about 95600.3173477996. The cubic root of 9139420677 is about 2090.7698206537.

The spelling of 9139420677 in words is "nine billion, one hundred thirty-nine million, four hundred twenty thousand, six hundred seventy-seven".