109739157 has 8 divisors (see below), whose sum is σ = 159620640. Its totient is φ = 66508560.

The previous prime is 109739153. The next prime is 109739173. The reversal of 109739157 is 751937901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 109739157 - 2² = 109739153 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109739153) 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, 1662682 + ... + 1662747.

It is an arithmetic number, because the mean of its divisors is an integer number (19952580).

Almost surely, 2^109739157 is an apocalyptic number.

It is an amenable number.

109739157 is a deficient number, since it is larger than the sum of its proper divisors (49881483).

109739157 is a wasteful number, since it uses less digits than its factorization.

109739157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3325443.

The product of its (nonzero) digits is 59535, while the sum is 42.

The square root of 109739157 is about 10475.6458989410. The cubic root of 109739157 is about 478.7629561537.

The spelling of 109739157 in words is "one hundred nine million, seven hundred thirty-nine thousand, one hundred fifty-seven".