134497699840 has 288 divisors, whose sum is σ = 385659368640. Its totient is φ = 44096126976.

The previous prime is 134497699837. The next prime is 134497699891. The reversal of 134497699840 is 48996794431.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37916947 + ... + 37920493.

It is an arithmetic number, because the mean of its divisors is an integer number (1339095030).

Almost surely, 2^134497699840 is an apocalyptic number.

134497699840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134497699840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192829684320).

134497699840 is an abundant number, since it is smaller than the sum of its proper divisors (251161668800).

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

134497699840 is an equidigital number, since it uses as much as digits as its factorization.

134497699840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3627 (or 3584 counting only the distinct ones).

The product of its (nonzero) digits is 47029248, while the sum is 64.

The spelling of 134497699840 in words is "one hundred thirty-four billion, four hundred ninety-seven million, six hundred ninety-nine thousand, eight hundred forty".