39091157 has 8 divisors (see below), whose sum is σ = 45518976. Its totient is φ = 32874192.

The previous prime is 39091139. The next prime is 39091183. The reversal of 39091157 is 75119093.

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

It is a cyclic number.

It is not a de Polignac number, because 39091157 - 2⁸ = 39090901 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39091127) 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, 52313 + ... + 53054.

It is an arithmetic number, because the mean of its divisors is an integer number (5689872).

Almost surely, 2^39091157 is an apocalyptic number.

It is an amenable number.

39091157 is a deficient number, since it is larger than the sum of its proper divisors (6427819).

39091157 is a wasteful number, since it uses less digits than its factorization.

39091157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105427.

The product of its (nonzero) digits is 8505, while the sum is 35.

The square root of 39091157 is about 6252.2921396877. The cubic root of 39091157 is about 339.3851546625.

The spelling of 39091157 in words is "thirty-nine million, ninety-one thousand, one hundred fifty-seven".