109458381 has 8 divisors (see below), whose sum is σ = 145993120. Its totient is φ = 72947952.

The previous prime is 109458367. The next prime is 109458407. The reversal of 109458381 is 183854901.

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

It is not a de Polignac number, because 109458381 - 2¹³ = 109450189 is a prime.

It is a super-2 number, since 2×109458381² = 23962274342282322, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109458301) 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, 12891 + ... + 19623.

It is an arithmetic number, because the mean of its divisors is an integer number (18249140).

Almost surely, 2^109458381 is an apocalyptic number.

It is an amenable number.

109458381 is a deficient number, since it is larger than the sum of its proper divisors (36534739).

109458381 is an equidigital number, since it uses as much as digits as its factorization.

109458381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12155.

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 109458381 is about 10462.2359464887. The cubic root of 109458381 is about 478.3542902458.

Subtracting from 109458381 its product of nonzero digits (34560), we obtain a triangular number (109423821 = T₁₄₇₉₃).

The spelling of 109458381 in words is "one hundred nine million, four hundred fifty-eight thousand, three hundred eighty-one".