134242812 has 192 divisors, whose sum is σ = 420940800. Its totient is φ = 36622080.

The previous prime is 134242807. The next prime is 134242817. The reversal of 134242812 is 218242431.

It is an interprime number because it is at equal distance from previous prime (134242807) and next prime (134242817).

It is a super-3 number, since 3×134242812³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134242817) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5836633 + ... + 5836655.

It is an arithmetic number, because the mean of its divisors is an integer number (2192400).

Almost surely, 2^134242812 is an apocalyptic number.

134242812 is a gapful number since it is divisible by the number (12) 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 134242812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210470400).

134242812 is an abundant number, since it is smaller than the sum of its proper divisors (286697988).

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

134242812 is a wasteful number, since it uses less digits than its factorization.

134242812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98 (or 56 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

The square root of 134242812 is about 11586.3200370092. The cubic root of 134242812 is about 512.0318939686.

The spelling of 134242812 in words is "one hundred thirty-four million, two hundred forty-two thousand, eight hundred twelve".