134401525 has 12 divisors (see below), whose sum is σ = 166836544. Its totient is φ = 107406000.

The previous prime is 134401513. The next prime is 134401537. The reversal of 134401525 is 525104431.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (134401513) and next prime (134401537).

It is not a de Polignac number, because 134401525 - 2⁵ = 134401493 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 a self number, because there is not a number n which added to its sum of digits gives 134401525.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26980 + ... + 31570.

Almost surely, 2^134401525 is an apocalyptic number.

It is an amenable number.

134401525 is a deficient number, since it is larger than the sum of its proper divisors (32435019).

134401525 is a wasteful number, since it uses less digits than its factorization.

134401525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5772 (or 5767 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 134401525 is about 11593.1671686386. The cubic root of 134401525 is about 512.2336033718.

Adding to 134401525 its reverse (525104431), we get a palindrome (659505956).

The spelling of 134401525 in words is "one hundred thirty-four million, four hundred one thousand, five hundred twenty-five".