109154739 has 16 divisors (see below), whose sum is σ = 154344960. Its totient is φ = 68380800.

The previous prime is 109154663. The next prime is 109154767. The reversal of 109154739 is 937451901.

It is a happy number.

It is not a de Polignac number, because 109154739 - 2⁷ = 109154611 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 109154697 and 109154706.

It is not an unprimeable number, because it can be changed into a prime (109154789) 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, 41514 + ... + 44064.

It is an arithmetic number, because the mean of its divisors is an integer number (9646560).

Almost surely, 2^109154739 is an apocalyptic number.

109154739 is a deficient number, since it is larger than the sum of its proper divisors (45190221).

109154739 is a wasteful number, since it uses less digits than its factorization.

109154739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3410.

The product of its (nonzero) digits is 34020, while the sum is 39.

The square root of 109154739 is about 10447.7145347679. The cubic root of 109154739 is about 477.9115558543.

The spelling of 109154739 in words is "one hundred nine million, one hundred fifty-four thousand, seven hundred thirty-nine".