136653420 has 48 divisors (see below), whose sum is σ = 388912608. Its totient is φ = 35842560.

The previous prime is 136653403. The next prime is 136653421. The reversal of 136653420 is 24356631.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (136653421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15009 + ... + 22328.

It is an arithmetic number, because the mean of its divisors is an integer number (8102346).

Almost surely, 2^136653420 is an apocalyptic number.

136653420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136653420 is an abundant number, since it is smaller than the sum of its proper divisors (252259188).

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

136653420 is a wasteful number, since it uses less digits than its factorization.

136653420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37410 (or 37408 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 136653420 is about 11689.8853715509. The cubic root of 136653420 is about 515.0785942200.

The spelling of 136653420 in words is "one hundred thirty-six million, six hundred fifty-three thousand, four hundred twenty".