109135026 has 160 divisors (see below), whose sum is σ = 328825728. Its totient is φ = 26127360.

The previous prime is 109135009. The next prime is 109135043. The reversal of 109135026 is 620531901.

It is an interprime number because it is at equal distance from previous prime (109135009) and next prime (109135043).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 161826 + ... + 162498.

Almost surely, 2^109135026 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109135026, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164412864).

109135026 is an abundant number, since it is smaller than the sum of its proper divisors (219690702).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

109135026 is a wasteful number, since it uses less digits than its factorization.

109135026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718 (or 709 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 109135026 is about 10446.7710800993. The cubic root of 109135026 is about 477.8827843513.

Adding to 109135026 its reverse (620531901), we get a palindrome (729666927).

The spelling of 109135026 in words is "one hundred nine million, one hundred thirty-five thousand, twenty-six".