100113135400 has 24 divisors (see below), whose sum is σ = 232763040270. Its totient is φ = 40045254080.

The previous prime is 100113135389. The next prime is 100113135403. The reversal of 100113135400 is 4531311001.

It can be written as a sum of positive squares in 3 ways, for example, as 92972547396 + 7140588004 = 304914^2 + 84502^2 .

It is not an unprimeable number, because it can be changed into a prime (100113135403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 250282639 + ... + 250283038.

Almost surely, 2^100113135400 is an apocalyptic number.

100113135400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100113135400 is an abundant number, since it is smaller than the sum of its proper divisors (132649904870).

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

100113135400 is a wasteful number, since it uses less digits than its factorization.

100113135400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500565693 (or 500565684 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

Adding to 100113135400 its reverse (4531311001), we get a palindrome (104644446401).

The spelling of 100113135400 in words is "one hundred billion, one hundred thirteen million, one hundred thirty-five thousand, four hundred".