1138019572 has 12 divisors (see below), whose sum is σ = 1995895300. Its totient is φ = 567763776.

The previous prime is 1138019567. The next prime is 1138019587. The reversal of 1138019572 is 2759108311.

It can be written as a sum of positive squares in 2 ways, for example, as 1024256016 + 113763556 = 32004^2 + 10666^2 .

It is a super-3 number, since 3×1138019572³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

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, 309447 + ... + 313102.

Almost surely, 2^1138019572 is an apocalyptic number.

It is an amenable number.

1138019572 is a deficient number, since it is larger than the sum of its proper divisors (857875728).

1138019572 is a wasteful number, since it uses less digits than its factorization.

1138019572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623010 (or 623008 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 37.

The square root of 1138019572 is about 33734.5456765020. The cubic root of 1138019572 is about 1044.0386516031.

The spelling of 1138019572 in words is "one billion, one hundred thirty-eight million, nineteen thousand, five hundred seventy-two".