134756220 has 96 divisors (see below), whose sum is σ = 392003136. Its totient is φ = 34560000.

The previous prime is 134756207. The next prime is 134756261. The reversal of 134756220 is 22657431.

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 polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 223920 + ... + 224520.

It is an arithmetic number, because the mean of its divisors is an integer number (4083366).

Almost surely, 2^134756220 is an apocalyptic number.

134756220 is a gapful number since it is divisible by the number (10) 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 134756220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196001568).

134756220 is an abundant number, since it is smaller than the sum of its proper divisors (257246916).

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

134756220 is a wasteful number, since it uses less digits than its factorization.

134756220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751 (or 749 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 134756220 is about 11608.4546775185. The cubic root of 134756220 is about 512.6838142949.

The spelling of 134756220 in words is "one hundred thirty-four million, seven hundred fifty-six thousand, two hundred twenty".