134502020400 has 120 divisors (see below), whose sum is σ = 470023470144. Its totient is φ = 32606547200.

The previous prime is 134502020383. The next prime is 134502020453. The reversal of 134502020400 is 4020205431.

It is a tau number, because it is divible by the number of its divisors (120).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5081574 + ... + 5107973.

Almost surely, 2^134502020400 is an apocalyptic number.

134502020400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134502020400 is an abundant number, since it is smaller than the sum of its proper divisors (335521449744).

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

134502020400 is a wasteful number, since it uses less digits than its factorization.

134502020400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10189579 (or 10189568 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

Adding to 134502020400 its reverse (4020205431), we get a palindrome (138522225831).

The spelling of 134502020400 in words is "one hundred thirty-four billion, five hundred two million, twenty thousand, four hundred".