109257356 has 48 divisors (see below), whose sum is σ = 211595328. Its totient is φ = 49056000.

The previous prime is 109257341. The next prime is 109257377. The reversal of 109257356 is 653752901.

It is a happy number.

It is a super-2 number, since 2×109257356² = 23874339680221472, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 372746 + ... + 373038.

It is an arithmetic number, because the mean of its divisors is an integer number (4408236).

Almost surely, 2^109257356 is an apocalyptic number.

It is an amenable number.

109257356 is a deficient number, since it is larger than the sum of its proper divisors (102337972).

109257356 is a wasteful number, since it uses less digits than its factorization.

109257356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482 (or 480 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 38.

The square root of 109257356 is about 10452.6243594611. The cubic root of 109257356 is about 478.0612714184.

It can be divided in two parts, 10925 and 7356, that added together give a palindrome (18281).

The spelling of 109257356 in words is "one hundred nine million, two hundred fifty-seven thousand, three hundred fifty-six".