1139462040 has 128 divisors (see below), whose sum is σ = 3552952320. Its totient is φ = 292032000.

The previous prime is 1139462039. The next prime is 1139462059. The reversal of 1139462040 is 402649311.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1139461989 and 1139462007.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 583065 + ... + 585015.

It is an arithmetic number, because the mean of its divisors is an integer number (27757440).

Almost surely, 2^1139462040 is an apocalyptic number.

1139462040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1139462040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1776476160).

1139462040 is an abundant number, since it is smaller than the sum of its proper divisors (2413490280).

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

1139462040 is a wasteful number, since it uses less digits than its factorization.

1139462040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2153 (or 2149 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 1139462040 is about 33755.9185921521. The cubic root of 1139462040 is about 1044.4795803112.

The spelling of 1139462040 in words is "one billion, one hundred thirty-nine million, four hundred sixty-two thousand, forty".