134153321 has 2 divisors, whose sum is σ = 134153322. Its totient is φ = 134153320.

The previous prime is 134153311. The next prime is 134153381. The reversal of 134153321 is 123351431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130873600 + 3279721 = 11440^2 + 1811^2 .

It is a cyclic number.

It is not a de Polignac number, because 134153321 - 2²⁶ = 67044457 is a prime.

It is a super-2 number, since 2×134153321² = 35994227070658082, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (134153311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67076660 + 67076661.

It is an arithmetic number, because the mean of its divisors is an integer number (67076661).

Almost surely, 2^134153321 is an apocalyptic number.

It is an amenable number.

134153321 is a deficient number, since it is larger than the sum of its proper divisors (1).

134153321 is an equidigital number, since it uses as much as digits as its factorization.

134153321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1080, while the sum is 23.

The square root of 134153321 is about 11582.4574680851. The cubic root of 134153321 is about 511.9180891608.

The spelling of 134153321 in words is "one hundred thirty-four million, one hundred fifty-three thousand, three hundred twenty-one".