136455420 has 24 divisors (see below), whose sum is σ = 382075344. Its totient is φ = 36388096.

The previous prime is 136455419. The next prime is 136455433. The reversal of 136455420 is 24554631.

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

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1137069 + ... + 1137188.

It is an arithmetic number, because the mean of its divisors is an integer number (15919806).

Almost surely, 2^136455420 is an apocalyptic number.

136455420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136455420 is an abundant number, since it is smaller than the sum of its proper divisors (245619924).

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

136455420 is a wasteful number, since it uses less digits than its factorization.

136455420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2274269 (or 2274267 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 136455420 is about 11681.4134418742. The cubic root of 136455420 is about 514.8297045893.

The spelling of 136455420 in words is "one hundred thirty-six million, four hundred fifty-five thousand, four hundred twenty".