136429572 has 48 divisors (see below), whose sum is σ = 330644160. Its totient is φ = 43731072.

The previous prime is 136429567. The next prime is 136429589. The reversal of 136429572 is 275924631.

It is a super-2 number, since 2×136429572² = 37226056232206368, which contains 22 as substring.

Its product of digits (90720) is a multiple of the sum of its prime factors (1620).

It is a self number, because there is not a number n which added to its sum of digits gives 136429572.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106198 + ... + 107474.

It is an arithmetic number, because the mean of its divisors is an integer number (6888420).

Almost surely, 2^136429572 is an apocalyptic number.

136429572 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 136429572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165322080).

136429572 is an abundant number, since it is smaller than the sum of its proper divisors (194214588).

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

136429572 is a wasteful number, since it uses less digits than its factorization.

136429572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1620 (or 1618 counting only the distinct ones).

The product of its digits is 90720, while the sum is 39.

The square root of 136429572 is about 11680.3070165129. The cubic root of 136429572 is about 514.7971954164.

The spelling of 136429572 in words is "one hundred thirty-six million, four hundred twenty-nine thousand, five hundred seventy-two".