134001409 has 2 divisors, whose sum is σ = 134001410. Its totient is φ = 134001408.

The previous prime is 134001403. The next prime is 134001487. The reversal of 134001409 is 904100431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110187009 + 23814400 = 10497^2 + 4880^2 .

It is a cyclic number.

It is not a de Polignac number, because 134001409 - 2³ = 134001401 is a prime.

It is a super-2 number, since 2×134001409² = 35912755227970562, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 134001409.

It is not a weakly prime, because it can be changed into another prime (134001401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67000704 + 67000705.

It is an arithmetic number, because the mean of its divisors is an integer number (67000705).

Almost surely, 2^134001409 is an apocalyptic number.

It is an amenable number.

134001409 is a deficient number, since it is larger than the sum of its proper divisors (1).

134001409 is an equidigital number, since it uses as much as digits as its factorization.

134001409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 134001409 is about 11575.8977621608. The cubic root of 134001409 is about 511.7247882613.

The spelling of 134001409 in words is "one hundred thirty-four million, one thousand, four hundred nine".