109137651 has 24 divisors (see below), whose sum is σ = 169861824. Its totient is φ = 62148240.

The previous prime is 109137647. The next prime is 109137659. The reversal of 109137651 is 156731901.

It is a happy number.

It is not a de Polignac number, because 109137651 - 2² = 109137647 is a prime.

It is a super-2 number, since 2×109137651² = 23822053731595602, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (109137659) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47536 + ... + 49778.

It is an arithmetic number, because the mean of its divisors is an integer number (7077576).

Almost surely, 2^109137651 is an apocalyptic number.

109137651 is a deficient number, since it is larger than the sum of its proper divisors (60724173).

109137651 is a wasteful number, since it uses less digits than its factorization.

109137651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2591 (or 2584 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 33.

The square root of 109137651 is about 10446.8967162502. The cubic root of 109137651 is about 477.8866157893.

The spelling of 109137651 in words is "one hundred nine million, one hundred thirty-seven thousand, six hundred fifty-one".