100378634 has 8 divisors (see below), whose sum is σ = 158492640. Its totient is φ = 47547756.

The previous prime is 100378631. The next prime is 100378637. The reversal of 100378634 is 436873001.

It is an interprime number because it is at equal distance from previous prime (100378631) and next prime (100378637).

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

It is a self number, because there is not a number n which added to its sum of digits gives 100378634.

It is not an unprimeable number, because it can be changed into a prime (100378631) 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, 1320734 + ... + 1320809.

It is an arithmetic number, because the mean of its divisors is an integer number (19811580).

Almost surely, 2^100378634 is an apocalyptic number.

100378634 is a deficient number, since it is larger than the sum of its proper divisors (58114006).

100378634 is a wasteful number, since it uses less digits than its factorization.

100378634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2641564.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 100378634 is about 10018.9138133832. The cubic root of 100378634 is about 464.7439666555.

The spelling of 100378634 in words is "one hundred million, three hundred seventy-eight thousand, six hundred thirty-four".