134661620 has 24 divisors (see below), whose sum is σ = 283046400. Its totient is φ = 53815712.

The previous prime is 134661617. The next prime is 134661623. The reversal of 134661620 is 26166431.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (134661617) and next prime (134661623).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134661623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26441 + ... + 31119.

It is an arithmetic number, because the mean of its divisors is an integer number (11793600).

Almost surely, 2^134661620 is an apocalyptic number.

134661620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134661620 is an abundant number, since it is smaller than the sum of its proper divisors (148384780).

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

134661620 is a wasteful number, since it uses less digits than its factorization.

134661620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6127 (or 6125 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 134661620 is about 11604.3793457470. The cubic root of 134661620 is about 512.5638167607.

The spelling of 134661620 in words is "one hundred thirty-four million, six hundred sixty-one thousand, six hundred twenty".