136899452 has 12 divisors (see below), whose sum is σ = 239722560. Its totient is φ = 68407296.

The previous prime is 136899449. The next prime is 136899457. The reversal of 136899452 is 254998631.

136899452 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 136899397 and 136899406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136899457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2693 + ... + 16764.

It is an arithmetic number, because the mean of its divisors is an integer number (19976880).

Almost surely, 2^136899452 is an apocalyptic number.

It is an amenable number.

136899452 is a deficient number, since it is larger than the sum of its proper divisors (102823108).

136899452 is a wasteful number, since it uses less digits than its factorization.

136899452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21220 (or 21218 counting only the distinct ones).

The product of its digits is 466560, while the sum is 47.

The square root of 136899452 is about 11700.4039246515. The cubic root of 136899452 is about 515.3875262123.

The spelling of 136899452 in words is "one hundred thirty-six million, eight hundred ninety-nine thousand, four hundred fifty-two".