134109025 has 12 divisors (see below), whose sum is σ = 166950252. Its totient is φ = 106864640.

The previous prime is 134109013. The next prime is 134109037. The reversal of 134109025 is 520901431.

It is an interprime number because it is at equal distance from previous prime (134109013) and next prime (134109037).

It can be written as a sum of positive squares in 6 ways, for example, as 1306449 + 132802576 = 1143^2 + 11524^2 .

It is not a de Polignac number, because 134109025 - 2¹⁷ = 133977953 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4012 + ... + 16861.

It is an arithmetic number, because the mean of its divisors is an integer number (13912521).

Almost surely, 2^134109025 is an apocalyptic number.

It is an amenable number.

134109025 is a deficient number, since it is larger than the sum of its proper divisors (32841227).

134109025 is a wasteful number, since it uses less digits than its factorization.

134109025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21140 (or 21135 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 134109025 is about 11580.5451080681. The cubic root of 134109025 is about 511.8617396553.

The spelling of 134109025 in words is "one hundred thirty-four million, one hundred nine thousand, twenty-five".