134513220 has 48 divisors (see below), whose sum is σ = 382269888. Its totient is φ = 35333760.

The previous prime is 134513189. The next prime is 134513233. The reversal of 134513220 is 22315431.

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, 12711 + ... + 20750.

It is an arithmetic number, because the mean of its divisors is an integer number (7963956).

Almost surely, 2^134513220 is an apocalyptic number.

134513220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134513220 is an abundant number, since it is smaller than the sum of its proper divisors (247756668).

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

134513220 is a wasteful number, since it uses less digits than its factorization.

134513220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33540 (or 33538 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 134513220 is about 11597.9834454098. The cubic root of 134513220 is about 512.3754621053.

Adding to 134513220 its reverse (22315431), we get a palindrome (156828651).

The spelling of 134513220 in words is "one hundred thirty-four million, five hundred thirteen thousand, two hundred twenty".