109213497 has 12 divisors (see below), whose sum is σ = 157843504. Its totient is φ = 72767160.

The previous prime is 109213487. The next prime is 109213541. The reversal of 109213497 is 794312901.

It is not a de Polignac number, because 109213497 - 2⁷ = 109213369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109213487) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28158 + ... + 31800.

Almost surely, 2^109213497 is an apocalyptic number.

It is an amenable number.

109213497 is a deficient number, since it is larger than the sum of its proper divisors (48630007).

109213497 is a wasteful number, since it uses less digits than its factorization.

109213497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6980 (or 6977 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 109213497 is about 10450.5261590027. The cubic root of 109213497 is about 477.9972937412.

The spelling of 109213497 in words is "one hundred nine million, two hundred thirteen thousand, four hundred ninety-seven".