100003942756 has 81 divisors (see below), whose sum is σ = 190012665241. Its totient is φ = 46043670400.

The previous prime is 100003942721. The next prime is 100003942757. The reversal of 100003942756 is 657249300001.

The square root of 100003942756 is 316234.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 77857740900 + 22146201856 = 279030^2 + 148816^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100003942757) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 763388811 + ... + 763388941.

Almost surely, 2^100003942756 is an apocalyptic number.

100003942756 is the 316234-th square number.

It is an amenable number.

100003942756 is a deficient number, since it is larger than the sum of its proper divisors (90008722485).

100003942756 is an equidigital number, since it uses as much as digits as its factorization.

100003942756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442 (or 221 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 37.

The spelling of 100003942756 in words is "one hundred billion, three million, nine hundred forty-two thousand, seven hundred fifty-six".