135554220 has 36 divisors (see below), whose sum is σ = 411181680. Its totient is φ = 36147744.

The previous prime is 135554219. The next prime is 135554233. The reversal of 135554220 is 22455531.

It is a happy number.

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

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, 376360 + ... + 376719.

Almost surely, 2^135554220 is an apocalyptic number.

135554220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135554220 is an abundant number, since it is smaller than the sum of its proper divisors (275627460).

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

135554220 is a wasteful number, since it uses less digits than its factorization.

135554220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753094 (or 753089 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 135554220 is about 11642.7754423076. The cubic root of 135554220 is about 513.6938276624.

The spelling of 135554220 in words is "one hundred thirty-five million, five hundred fifty-four thousand, two hundred twenty".