134331420 has 48 divisors (see below), whose sum is σ = 380022048. Its totient is φ = 35450880.

The previous prime is 134331413. The next prime is 134331437. The reversal of 134331420 is 24133431.

It is a congruent number.

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, 5721 + ... + 17360.

It is an arithmetic number, because the mean of its divisors is an integer number (7917126).

Almost surely, 2^134331420 is an apocalyptic number.

134331420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134331420 is an abundant number, since it is smaller than the sum of its proper divisors (245690628).

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

134331420 is a wasteful number, since it uses less digits than its factorization.

134331420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23190 (or 23188 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 134331420 is about 11590.1432260348. The cubic root of 134331420 is about 512.1445260536.

Adding to 134331420 its reverse (24133431), we get a palindrome (158464851).

The spelling of 134331420 in words is "one hundred thirty-four million, three hundred thirty-one thousand, four hundred twenty".