136745025 has 24 divisors (see below), whose sum is σ = 239386464. Its totient is φ = 68640000.

The previous prime is 136745023. The next prime is 136745041. The reversal of 136745025 is 520547631.

It is not a de Polignac number, because 136745025 - 2¹ = 136745023 is a prime.

It is not an unprimeable number, because it can be changed into a prime (136745023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52351 + ... + 54900.

It is an arithmetic number, because the mean of its divisors is an integer number (9974436).

Almost surely, 2^136745025 is an apocalyptic number.

136745025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

136745025 is a deficient number, since it is larger than the sum of its proper divisors (102641439).

136745025 is a wasteful number, since it uses less digits than its factorization.

136745025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107281 (or 107276 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 136745025 is about 11693.8028459522. The cubic root of 136745025 is about 515.1936620448.

The spelling of 136745025 in words is "one hundred thirty-six million, seven hundred forty-five thousand, twenty-five".