1138513162 has 8 divisors (see below), whose sum is σ = 1753925796. Its totient is φ = 553871232.

The previous prime is 1138513157. The next prime is 1138513169. The reversal of 1138513162 is 2613158311.

It can be written as a sum of positive squares in 2 ways, for example, as 1138455081 + 58081 = 33741^2 + 241^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1138513169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7692583 + ... + 7692730.

Almost surely, 2^1138513162 is an apocalyptic number.

1138513162 is a deficient number, since it is larger than the sum of its proper divisors (615412634).

1138513162 is a wasteful number, since it uses less digits than its factorization.

1138513162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15385352.

The product of its digits is 4320, while the sum is 31.

The square root of 1138513162 is about 33741.8606777990. The cubic root of 1138513162 is about 1044.1895724264.

The spelling of 1138513162 in words is "one billion, one hundred thirty-eight million, five hundred thirteen thousand, one hundred sixty-two".