100135724 has 24 divisors (see below), whose sum is σ = 195227760. Its totient is φ = 44622144.

The previous prime is 100135667. The next prime is 100135771. The reversal of 100135724 is 427531001.

It is a self number, because there is not a number n which added to its sum of digits gives 100135724.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31694 + ... + 34709.

It is an arithmetic number, because the mean of its divisors is an integer number (8134490).

Almost surely, 2^100135724 is an apocalyptic number.

It is an amenable number.

100135724 is a deficient number, since it is larger than the sum of its proper divisors (95092036).

100135724 is a wasteful number, since it uses less digits than its factorization.

100135724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66449 (or 66447 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 100135724 is about 10006.7838989358. The cubic root of 100135724 is about 464.3687800974.

Adding to 100135724 its reverse (427531001), we get a palindrome (527666725).

The spelling of 100135724 in words is "one hundred million, one hundred thirty-five thousand, seven hundred twenty-four".