100155135 has 16 divisors (see below), whose sum is σ = 161837280. Its totient is φ = 52886400.

The previous prime is 100155131. The next prime is 100155149. The reversal of 100155135 is 531551001.

It is not a de Polignac number, because 100155135 - 2² = 100155131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100155131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31540 + ... + 34569.

It is an arithmetic number, because the mean of its divisors is an integer number (10114830).

Almost surely, 2^100155135 is an apocalyptic number.

100155135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

100155135 is a deficient number, since it is larger than the sum of its proper divisors (61682145).

100155135 is a wasteful number, since it uses less digits than its factorization.

100155135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66218.

The product of its (nonzero) digits is 375, while the sum is 21.

The square root of 100155135 is about 10007.7537439727. The cubic root of 100155135 is about 464.3987836421.

The spelling of 100155135 in words is "one hundred million, one hundred fifty-five thousand, one hundred thirty-five".