1138484152 has 64 divisors (see below), whose sum is σ = 2440458720. Its totient is φ = 493252608.

The previous prime is 1138484147. The next prime is 1138484177. The reversal of 1138484152 is 2514848311.

It is a super-2 number, since 2×1138484152² = 2592292328710318208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1037268 + ... + 1038364.

Almost surely, 2^1138484152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1138484152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1220229360).

1138484152 is an abundant number, since it is smaller than the sum of its proper divisors (1301974568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1138484152 is a wasteful number, since it uses less digits than its factorization.

1138484152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1720 (or 1716 counting only the distinct ones).

The product of its digits is 30720, while the sum is 37.

The square root of 1138484152 is about 33741.4307936104. The cubic root of 1138484152 is about 1044.1807034916.

The spelling of 1138484152 in words is "one billion, one hundred thirty-eight million, four hundred eighty-four thousand, one hundred fifty-two".