9156231742 has 16 divisors (see below), whose sum is σ = 15698063232. Its totient is φ = 3923682840.

The previous prime is 9156231737. The next prime is 9156231767. The reversal of 9156231742 is 2471326519.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 9156231695 and 9156231704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128317 + ... + 186487.

It is an arithmetic number, because the mean of its divisors is an integer number (981128952).

Almost surely, 2^9156231742 is an apocalyptic number.

9156231742 is a deficient number, since it is larger than the sum of its proper divisors (6541831490).

9156231742 is a wasteful number, since it uses less digits than its factorization.

9156231742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69423.

The product of its digits is 90720, while the sum is 40.

The square root of 9156231742 is about 95688.2006414584. The cubic root of 9156231742 is about 2092.0509572495.

The spelling of 9156231742 in words is "nine billion, one hundred fifty-six million, two hundred thirty-one thousand, seven hundred forty-two".