109457538 has 16 divisors (see below), whose sum is σ = 221083776. Its totient is φ = 36124400.

The previous prime is 109457533. The next prime is 109457539. The reversal of 109457538 is 835754901.

It is a self number, because there is not a number n which added to its sum of digits gives 109457538.

It is not an unprimeable number, because it can be changed into a prime (109457531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89706 + ... + 90917.

It is an arithmetic number, because the mean of its divisors is an integer number (13817736).

Almost surely, 2^109457538 is an apocalyptic number.

109457538 is an abundant number, since it is smaller than the sum of its proper divisors (111626238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

109457538 is a wasteful number, since it uses less digits than its factorization.

109457538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180729.

The product of its (nonzero) digits is 151200, while the sum is 42.

The square root of 109457538 is about 10462.1956586560. The cubic root of 109457538 is about 478.3530622183.

The spelling of 109457538 in words is "one hundred nine million, four hundred fifty-seven thousand, five hundred thirty-eight".