134001971 has 4 divisors (see below), whose sum is σ = 134703744. Its totient is φ = 133300200.

The previous prime is 134001949. The next prime is 134001983. The reversal of 134001971 is 179100431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 179100431 = 571 ⋅313661.

It is a cyclic number.

It is not a de Polignac number, because 134001971 - 2²⁶ = 66893107 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 134001971.

It is not an unprimeable number, because it can be changed into a prime (134001941) 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, 350600 + ... + 350981.

It is an arithmetic number, because the mean of its divisors is an integer number (33675936).

Almost surely, 2^134001971 is an apocalyptic number.

134001971 is a deficient number, since it is larger than the sum of its proper divisors (701773).

134001971 is an equidigital number, since it uses as much as digits as its factorization.

134001971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701772.

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 134001971 is about 11575.9220367105. The cubic root of 134001971 is about 511.7255036491.

The spelling of 134001971 in words is "one hundred thirty-four million, one thousand, nine hundred seventy-one".