136252532 has 18 divisors (see below), whose sum is σ = 258195798. Its totient is φ = 62885472.

The previous prime is 136252531. The next prime is 136252541. The reversal of 136252532 is 235252631.

It can be written as a sum of positive squares in 3 ways, for example, as 4553956 + 131698576 = 2134^2 + 11476^2 .

It is a super-2 number, since 2×136252532² = 37129504952822048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 136252495 and 136252504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136252531) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 100103 + ... + 101454.

It is an arithmetic number, because the mean of its divisors is an integer number (14344211).

Almost surely, 2^136252532 is an apocalyptic number.

It is an amenable number.

136252532 is a deficient number, since it is larger than the sum of its proper divisors (121943266).

136252532 is a wasteful number, since it uses less digits than its factorization.

136252532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201587 (or 201572 counting only the distinct ones).

The product of its digits is 10800, while the sum is 29.

The square root of 136252532 is about 11672.7259883885. The cubic root of 136252532 is about 514.5744207752.

Subtracting 136252532 from its reverse (235252631), we obtain a palindrome (99000099).

The spelling of 136252532 in words is "one hundred thirty-six million, two hundred fifty-two thousand, five hundred thirty-two".