134821474 has 16 divisors (see below), whose sum is σ = 209454336. Its totient is φ = 65044000.

The previous prime is 134821471. The next prime is 134821513. The reversal of 134821474 is 474128431.

It is a happy number.

134821474 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (134821471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3427 + ... + 16774.

It is an arithmetic number, because the mean of its divisors is an integer number (13090896).

Almost surely, 2^134821474 is an apocalyptic number.

134821474 is a deficient number, since it is larger than the sum of its proper divisors (74632862).

134821474 is a wasteful number, since it uses less digits than its factorization.

134821474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20321.

The product of its digits is 21504, while the sum is 34.

The square root of 134821474 is about 11611.2649612348. The cubic root of 134821474 is about 512.7665544981.

It can be divided in two parts, 1348 and 21474, that added together give a palindrome (22822).

The spelling of 134821474 in words is "one hundred thirty-four million, eight hundred twenty-one thousand, four hundred seventy-four".