107538991 has 16 divisors (see below), whose sum is σ = 130464000. Its totient is φ = 86532480.

The previous prime is 107538973. The next prime is 107539013. The reversal of 107538991 is 199835701.

It is a cyclic number.

It is not a de Polignac number, because 107538991 - 2⁷ = 107538863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107538191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58476 + ... + 60286.

It is an arithmetic number, because the mean of its divisors is an integer number (8154000).

Almost surely, 2^107538991 is an apocalyptic number.

107538991 is a deficient number, since it is larger than the sum of its proper divisors (22925009).

107538991 is a wasteful number, since it uses less digits than its factorization.

107538991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2334.

The product of its (nonzero) digits is 68040, while the sum is 43.

The square root of 107538991 is about 10370.1008191820. The cubic root of 107538991 is about 475.5417508581.

The spelling of 107538991 in words is "one hundred seven million, five hundred thirty-eight thousand, nine hundred ninety-one".