134694820 has 24 divisors (see below), whose sum is σ = 304618104. Its totient is φ = 49733376.

The previous prime is 134694811. The next prime is 134694829. The reversal of 134694820 is 28496431.

It is an interprime number because it is at equal distance from previous prime (134694811) and next prime (134694829).

It can be written as a sum of positive squares in 4 ways, for example, as 15492096 + 119202724 = 3936^2 + 10918^2 .

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 134694820.

It is not an unprimeable number, because it can be changed into a prime (134694829) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 258769 + ... + 259288.

It is an arithmetic number, because the mean of its divisors is an integer number (12692421).

Almost surely, 2^134694820 is an apocalyptic number.

134694820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134694820 is an abundant number, since it is smaller than the sum of its proper divisors (169923284).

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

134694820 is a wasteful number, since it uses less digits than its factorization.

134694820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518079 (or 518077 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 134694820 is about 11605.8097520164. The cubic root of 134694820 is about 512.6059364590.

The spelling of 134694820 in words is "one hundred thirty-four million, six hundred ninety-four thousand, eight hundred twenty".