136771452 has 36 divisors (see below), whose sum is σ = 346325616. Its totient is φ = 45511680.

The previous prime is 136771447. The next prime is 136771463. The reversal of 136771452 is 254177631.

It is a happy number.

136771452 is a `hidden beast` number, since 136 + 7 + 71 + 452 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20113 + ... + 26039.

It is an arithmetic number, because the mean of its divisors is an integer number (9620156).

Almost surely, 2^136771452 is an apocalyptic number.

136771452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

136771452 is an abundant number, since it is smaller than the sum of its proper divisors (209554164).

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

136771452 is a wasteful number, since it uses less digits than its factorization.

136771452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6578 (or 6573 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The square root of 136771452 is about 11694.9327488447. The cubic root of 136771452 is about 515.2268482514.

It can be divided in two parts, 13677 and 1452, that added together give a square (15129 = 123²).

The spelling of 136771452 in words is "one hundred thirty-six million, seven hundred seventy-one thousand, four hundred fifty-two".