109621436 has 6 divisors (see below), whose sum is σ = 191837520. Its totient is φ = 54810716.

The previous prime is 109621433. The next prime is 109621439. The reversal of 109621436 is 634126901.

It is an interprime number because it is at equal distance from previous prime (109621433) and next prime (109621439).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109621433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13702676 + ... + 13702683.

It is an arithmetic number, because the mean of its divisors is an integer number (31972920).

Almost surely, 2^109621436 is an apocalyptic number.

It is an amenable number.

109621436 is a deficient number, since it is larger than the sum of its proper divisors (82216084).

109621436 is a wasteful number, since it uses less digits than its factorization.

109621436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27405363 (or 27405361 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 109621436 is about 10470.0255969124. The cubic root of 109621436 is about 478.5916996919.

The spelling of 109621436 in words is "one hundred nine million, six hundred twenty-one thousand, four hundred thirty-six".