134240372820 has 96 divisors (see below), whose sum is σ = 439617628800. Its totient is φ = 33913354752.

The previous prime is 134240372797. The next prime is 134240372837. The reversal of 134240372820 is 28273042431.

It is a happy number.

134240372820 is a `hidden beast` number, since 1 + 342 + 4 + 0 + 37 + 282 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6531669 + ... + 6552188.

It is an arithmetic number, because the mean of its divisors is an integer number (4579350300).

Almost surely, 2^134240372820 is an apocalyptic number.

134240372820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134240372820 is an abundant number, since it is smaller than the sum of its proper divisors (305377255980).

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

134240372820 is a wasteful number, since it uses less digits than its factorization.

134240372820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13083894 (or 13083886 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The spelling of 134240372820 in words is "one hundred thirty-four billion, two hundred forty million, three hundred seventy-two thousand, eight hundred twenty".