1138541724 has 48 divisors (see below), whose sum is σ = 3014592000. Its totient is φ = 371437488.

The previous prime is 1138541717. The next prime is 1138541737. The reversal of 1138541724 is 4271458311.

1138541724 is a `hidden beast` number, since 11 + 38 + 541 + 72 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 107074 + ... + 117225.

It is an arithmetic number, because the mean of its divisors is an integer number (62804000).

Almost surely, 2^1138541724 is an apocalyptic number.

It is an amenable number.

1138541724 is an abundant number, since it is smaller than the sum of its proper divisors (1876050276).

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

1138541724 is a wasteful number, since it uses less digits than its factorization.

1138541724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224359 (or 224351 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 1138541724 is about 33742.2839179567. The cubic root of 1138541724 is about 1044.1983042514.

The spelling of 1138541724 in words is "one billion, one hundred thirty-eight million, five hundred forty-one thousand, seven hundred twenty-four".