1158113738 has 8 divisors (see below), whose sum is σ = 1738587780. Its totient is φ = 578584480.

The previous prime is 1158113701. The next prime is 1158113743. The reversal of 1158113738 is 8373118511.

It can be written as a sum of positive squares in 2 ways, for example, as 718079209 + 440034529 = 26797^2 + 20977^2 .

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

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, 233123 + ... + 238038.

Almost surely, 2^1158113738 is an apocalyptic number.

1158113738 is a deficient number, since it is larger than the sum of its proper divisors (580474042).

1158113738 is a wasteful number, since it uses less digits than its factorization.

1158113738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472392.

The product of its digits is 20160, while the sum is 38.

The square root of 1158113738 is about 34031.0701859345. The cubic root of 1158113738 is about 1050.1477458008.

The spelling of 1158113738 in words is "one billion, one hundred fifty-eight million, one hundred thirteen thousand, seven hundred thirty-eight".