134401312 has 24 divisors (see below), whose sum is σ = 273728700. Its totient is φ = 64882944.

The previous prime is 134401291. The next prime is 134401313. The reversal of 134401312 is 213104431.

It can be written as a sum of positive squares in 2 ways, for example, as 131698576 + 2702736 = 11476^2 + 1644^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 134401312.

It is not an unprimeable number, because it can be changed into a prime (134401313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71487 + ... + 73342.

Almost surely, 2^134401312 is an apocalyptic number.

It is an amenable number.

134401312 is an abundant number, since it is smaller than the sum of its proper divisors (139327388).

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

134401312 is a wasteful number, since it uses less digits than its factorization.

134401312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144868 (or 144860 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 134401312 is about 11593.1579821893. The cubic root of 134401312 is about 512.2333327752.

Adding to 134401312 its reverse (213104431), we get a palindrome (347505743).

The spelling of 134401312 in words is "one hundred thirty-four million, four hundred one thousand, three hundred twelve".