9013158638 has 8 divisors (see below), whose sum is σ = 14748805080. Its totient is φ = 4096890280.

The previous prime is 9013158629. The next prime is 9013158667. The reversal of 9013158638 is 8368513109.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204844493 + ... + 204844536.

It is an arithmetic number, because the mean of its divisors is an integer number (1843600635).

Almost surely, 2^9013158638 is an apocalyptic number.

9013158638 is a deficient number, since it is larger than the sum of its proper divisors (5735646442).

9013158638 is a wasteful number, since it uses less digits than its factorization.

9013158638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409689042.

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 9013158638 is about 94937.6565857827. The cubic root of 9013158638 is about 2081.0970727327.

The spelling of 9013158638 in words is "nine billion, thirteen million, one hundred fifty-eight thousand, six hundred thirty-eight".