100256134 has 32 divisors (see below), whose sum is σ = 169361280. Its totient is φ = 44116800.

The previous prime is 100256131. The next prime is 100256147. The reversal of 100256134 is 431652001.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100256131) 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, 123522 + ... + 124330.

It is an arithmetic number, because the mean of its divisors is an integer number (5292540).

Almost surely, 2^100256134 is an apocalyptic number.

100256134 is a deficient number, since it is larger than the sum of its proper divisors (69105146).

100256134 is a wasteful number, since it uses less digits than its factorization.

100256134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 100256134 is about 10012.7985099072. The cubic root of 100256134 is about 464.5548350692.

The spelling of 100256134 in words is "one hundred million, two hundred fifty-six thousand, one hundred thirty-four".