100772138 has 8 divisors (see below), whose sum is σ = 151201632. Its totient is φ = 50371596.

The previous prime is 100772101. The next prime is 100772149. The reversal of 100772138 is 831277001.

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 100772138.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7331 + ... + 15977.

It is an arithmetic number, because the mean of its divisors is an integer number (18900204).

Almost surely, 2^100772138 is an apocalyptic number.

100772138 is a deficient number, since it is larger than the sum of its proper divisors (50429494).

100772138 is an equidigital number, since it uses as much as digits as its factorization.

100772138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14476.

The product of its (nonzero) digits is 2352, while the sum is 29.

The square root of 100772138 is about 10038.5326616991. The cubic root of 100772138 is about 465.3504707434.

The spelling of 100772138 in words is "one hundred million, seven hundred seventy-two thousand, one hundred thirty-eight".