136743552 has 240 divisors, whose sum is σ = 451408650. Its totient is φ = 41057280.

The previous prime is 136743499. The next prime is 136743557. The reversal of 136743552 is 255347631.

136743552 is a `hidden beast` number, since 1 + 3 + 67 + 43 + 552 = 666.

It can be written as a sum of positive squares in only one way, i.e., 106007616 + 30735936 = 10296^2 + 5544^2 .

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

It is not an unprimeable number, because it can be changed into a prime (136743557) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 1254474 + ... + 1254582.

Almost surely, 2^136743552 is an apocalyptic number.

136743552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136743552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225704325).

136743552 is an abundant number, since it is smaller than the sum of its proper divisors (314665098).

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

136743552 is a wasteful number, since it uses less digits than its factorization.

136743552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157 (or 125 counting only the distinct ones).

The product of its digits is 75600, while the sum is 36.

The square root of 136743552 is about 11693.7398637049. The cubic root of 136743552 is about 515.1918121714.

The spelling of 136743552 in words is "one hundred thirty-six million, seven hundred forty-three thousand, five hundred fifty-two".