109891370 has 32 divisors (see below), whose sum is σ = 202245120. Its totient is φ = 42981120.

The previous prime is 109891361. The next prime is 109891387. The reversal of 109891370 is 73198901.

It is a super-2 number, since 2×109891370² = 24152226400953800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88655 + ... + 89885.

It is an arithmetic number, because the mean of its divisors is an integer number (6320160).

Almost surely, 2^109891370 is an apocalyptic number.

109891370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

109891370 is a deficient number, since it is larger than the sum of its proper divisors (92353750).

109891370 is a wasteful number, since it uses less digits than its factorization.

109891370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1430.

The product of its (nonzero) digits is 13608, while the sum is 38.

The square root of 109891370 is about 10482.9084704580. The cubic root of 109891370 is about 478.9842089276.

The spelling of 109891370 in words is "one hundred nine million, eight hundred ninety-one thousand, three hundred seventy".