100394157249 has 24 divisors (see below), whose sum is σ = 148408932672. Its totient is φ = 65362923360.

The previous prime is 100394157233. The next prime is 100394157251. The reversal of 100394157249 is 942751493001.

100394157249 is a `hidden beast` number, since 1 + 0 + 0 + 39 + 4 + 1 + 572 + 49 = 666.

It is not a de Polignac number, because 100394157249 - 2⁴ = 100394157233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100394157949) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3169639 + ... + 3201155.

It is an arithmetic number, because the mean of its divisors is an integer number (6183705528).

Almost surely, 2^100394157249 is an apocalyptic number.

It is an amenable number.

100394157249 is a deficient number, since it is larger than the sum of its proper divisors (48014775423).

100394157249 is a wasteful number, since it uses less digits than its factorization.

100394157249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39797 (or 39794 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The spelling of 100394157249 in words is "one hundred billion, three hundred ninety-four million, one hundred fifty-seven thousand, two hundred forty-nine".