100427138 has 16 divisors (see below), whose sum is σ = 172981824. Its totient is φ = 42834960.

The previous prime is 100427123. The next prime is 100427147. The reversal of 100427138 is 831724001.

It is a super-2 number, since 2×100427138² = 20171220093742088, which contains 22 as substring.

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, 14045 + ... + 19952.

It is an arithmetic number, because the mean of its divisors is an integer number (10811364).

Almost surely, 2^100427138 is an apocalyptic number.

100427138 is a deficient number, since it is larger than the sum of its proper divisors (72554686).

100427138 is a wasteful number, since it uses less digits than its factorization.

100427138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34217.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 100427138 is about 10021.3341427177. The cubic root of 100427138 is about 464.8188109744.

The spelling of 100427138 in words is "one hundred million, four hundred twenty-seven thousand, one hundred thirty-eight".