1138435700 has 36 divisors (see below), whose sum is σ = 2484093612. Its totient is φ = 452851200.

The previous prime is 1138435699. The next prime is 1138435717. The reversal of 1138435700 is 75348311.

It can be written as a sum of positive squares in 6 ways, for example, as 170354704 + 968080996 = 13052^2 + 31114^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13349 + ... + 49548.

Almost surely, 2^1138435700 is an apocalyptic number.

1138435700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1138435700 is an abundant number, since it is smaller than the sum of its proper divisors (1345657912).

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

1138435700 is a wasteful number, since it uses less digits than its factorization.

1138435700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63092 (or 63085 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 1138435700 is about 33740.7127962644. The cubic root of 1138435700 is about 1044.1658904143.

The spelling of 1138435700 in words is "one billion, one hundred thirty-eight million, four hundred thirty-five thousand, seven hundred".