134534890 has 64 divisors (see below), whose sum is σ = 287481600. Its totient is φ = 45299520.

The previous prime is 134534887. The next prime is 134534971. The reversal of 134534890 is 98435431.

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, 208909 + ... + 209551.

It is an arithmetic number, because the mean of its divisors is an integer number (4491900).

Almost surely, 2^134534890 is an apocalyptic number.

134534890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

134534890 is an abundant number, since it is smaller than the sum of its proper divisors (152946710).

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

134534890 is an equidigital number, since it uses as much as digits as its factorization.

134534890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732 (or 718 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 134534890 is about 11598.9176219163. The cubic root of 134534890 is about 512.4029750890.

It can be divided in two parts, 134534 and 890, that added together give a square (135424 = 368²).

The spelling of 134534890 in words is "one hundred thirty-four million, five hundred thirty-four thousand, eight hundred ninety".