134142347724 has 144 divisors (see below), whose sum is σ = 410284460544. Its totient is φ = 33327233280.

The previous prime is 134142347719. The next prime is 134142347753. The reversal of 134142347724 is 427743241431.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 53137 + ... + 520680.

Almost surely, 2^134142347724 is an apocalyptic number.

134142347724 is a gapful number since it is divisible by the number (14) 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 134142347724, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205142230272).

134142347724 is an abundant number, since it is smaller than the sum of its proper divisors (276142112820).

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

134142347724 is a wasteful number, since it uses less digits than its factorization.

134142347724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573876 (or 573863 counting only the distinct ones).

The product of its digits is 451584, while the sum is 42.

The spelling of 134142347724 in words is "one hundred thirty-four billion, one hundred forty-two million, three hundred forty-seven thousand, seven hundred twenty-four".