109413 has 6 divisors (see below), whose sum is σ = 158054. Its totient is φ = 72936.

The previous prime is 109397. The next prime is 109423. The reversal of 109413 is 314901.

It can be written as a sum of positive squares in only one way, i.e., 66564 + 42849 = 258^2 + 207^2 .

It is not a de Polignac number, because 109413 - 2⁴ = 109397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109423) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6070 + ... + 6087.

2¹⁰⁹⁴¹³ is an apocalyptic number.

It is an amenable number.

109413 is a deficient number, since it is larger than the sum of its proper divisors (48641).

109413 is a wasteful number, since it uses less digits than its factorization.

109413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12163 (or 12160 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 109413 is about 330.7763594938. The cubic root of 109413 is about 47.8288173193.

It can be divided in two parts, 10941 and 3, that multiplied together give a palindrome (32823).

The spelling of 109413 in words is "one hundred nine thousand, four hundred thirteen".