134901997660 has 24 divisors (see below), whose sum is σ = 298204416720. Its totient is φ = 51120756864.

The previous prime is 134901997621. The next prime is 134901997673. The reversal of 134901997660 is 66799109431.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177502249 + ... + 177503008.

It is an arithmetic number, because the mean of its divisors is an integer number (12425184030).

Almost surely, 2^134901997660 is an apocalyptic number.

134901997660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134901997660 is an abundant number, since it is smaller than the sum of its proper divisors (163302419060).

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

134901997660 is a wasteful number, since it uses less digits than its factorization.

134901997660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355005285 (or 355005283 counting only the distinct ones).

The product of its (nonzero) digits is 2204496, while the sum is 55.

The spelling of 134901997660 in words is "one hundred thirty-four billion, nine hundred one million, nine hundred ninety-seven thousand, six hundred sixty".