134402313 has 16 divisors (see below), whose sum is σ = 181396800. Its totient is φ = 88510464.

The previous prime is 134402311. The next prime is 134402347. The reversal of 134402313 is 313204431.

It is not a de Polignac number, because 134402313 - 2¹ = 134402311 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 134402313.

It is not an unprimeable number, because it can be changed into a prime (134402311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151770 + ... + 152652.

It is an arithmetic number, because the mean of its divisors is an integer number (11337300).

Almost surely, 2^134402313 is an apocalyptic number.

It is an amenable number.

134402313 is a deficient number, since it is larger than the sum of its proper divisors (46994487).

134402313 is a wasteful number, since it uses less digits than its factorization.

134402313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1448.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 134402313 is about 11593.2011541248. The cubic root of 134402313 is about 512.2346044500.

Adding to 134402313 its reverse (313204431), we get a palindrome (447606744).

It can be divided in two parts, 13440 and 2313, that added together give a triangular number (15753 = T₁₇₇).

The spelling of 134402313 in words is "one hundred thirty-four million, four hundred two thousand, three hundred thirteen".