134565023620 has 24 divisors (see below), whose sum is σ = 285330112704. Its totient is φ = 53303426016.

The previous prime is 134565023599. The next prime is 134565023629. The reversal of 134565023620 is 26320565431.

It is a self number, because there is not a number n which added to its sum of digits gives 134565023620.

It is not an unprimeable number, because it can be changed into a prime (134565023629) 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, 32659354 + ... + 32663473.

It is an arithmetic number, because the mean of its divisors is an integer number (11888754696).

Almost surely, 2^134565023620 is an apocalyptic number.

134565023620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134565023620 is an abundant number, since it is smaller than the sum of its proper divisors (150765089084).

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

134565023620 is a wasteful number, since it uses less digits than its factorization.

134565023620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65322939 (or 65322937 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 37.

The spelling of 134565023620 in words is "one hundred thirty-four billion, five hundred sixty-five million, twenty-three thousand, six hundred twenty".