134235216940 has 48 divisors (see below), whose sum is σ = 320891155200. Its totient is φ = 46690508480.

The previous prime is 134235216887. The next prime is 134235216943. The reversal of 134235216940 is 49612532431.

It is a junction number, because it is equal to n+sod(n) for n = 134235216893 and 134235216902.

It is not an unprimeable number, because it can be changed into a prime (134235216943) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 13259290 + ... + 13269409.

It is an arithmetic number, because the mean of its divisors is an integer number (6685232400).

Almost surely, 2^134235216940 is an apocalyptic number.

134235216940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134235216940 is an abundant number, since it is smaller than the sum of its proper divisors (186655938260).

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

134235216940 is a wasteful number, since it uses less digits than its factorization.

134235216940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26528742 (or 26528740 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 40.

The spelling of 134235216940 in words is "one hundred thirty-four billion, two hundred thirty-five million, two hundred sixteen thousand, nine hundred forty".