109012738 has 8 divisors (see below), whose sum is σ = 173137932. Its totient is φ = 51300096.

The previous prime is 109012733. The next prime is 109012751. The reversal of 109012738 is 837210901.

It can be written as a sum of positive squares in 2 ways, for example, as 108430569 + 582169 = 10413^2 + 763^2 .

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

It is not an unprimeable number, because it can be changed into a prime (109012733) 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, 1603095 + ... + 1603162.

Almost surely, 2^109012738 is an apocalyptic number.

109012738 is a deficient number, since it is larger than the sum of its proper divisors (64125194).

109012738 is a wasteful number, since it uses less digits than its factorization.

109012738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3206276.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 109012738 is about 10440.9165306500. The cubic root of 109012738 is about 477.7042252056.

The spelling of 109012738 in words is "one hundred nine million, twelve thousand, seven hundred thirty-eight".