100253138 has 8 divisors (see below), whose sum is σ = 150423420. Its totient is φ = 50112000.

The previous prime is 100253137. The next prime is 100253141. The reversal of 100253138 is 831352001.

It can be written as a sum of positive squares in 2 ways, for example, as 88604569 + 11648569 = 9413^2 + 3413^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (100253137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6638 + ... + 15638.

Almost surely, 2^100253138 is an apocalyptic number.

100253138 is a deficient number, since it is larger than the sum of its proper divisors (50170282).

100253138 is an equidigital number, since it uses as much as digits as its factorization.

100253138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14572.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 100253138 is about 10012.6489002661. The cubic root of 100253138 is about 464.5502075215.

The spelling of 100253138 in words is "one hundred million, two hundred fifty-three thousand, one hundred thirty-eight".