135619652 has 36 divisors (see below), whose sum is σ = 283559724. Its totient is φ = 56548800.

The previous prime is 135619621. The next prime is 135619657. The reversal of 135619652 is 256916531.

It can be written as a sum of positive squares in 2 ways, for example, as 74373376 + 61246276 = 8624^2 + 7826^2 .

It is a super-2 number, since 2×135619652² = 36785380017202208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (135619657) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2099 + ... + 16602.

It is an arithmetic number, because the mean of its divisors is an integer number (7876659).

Almost surely, 2^135619652 is an apocalyptic number.

It is an amenable number.

135619652 is an abundant number, since it is smaller than the sum of its proper divisors (147940072).

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

135619652 is a wasteful number, since it uses less digits than its factorization.

135619652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18756 (or 18747 counting only the distinct ones).

The product of its digits is 48600, while the sum is 38.

The square root of 135619652 is about 11645.5850862033. The cubic root of 135619652 is about 513.7764676762.

The spelling of 135619652 in words is "one hundred thirty-five million, six hundred nineteen thousand, six hundred fifty-two".