134340131 has 4 divisors (see below), whose sum is σ = 134367072. Its totient is φ = 134313192.

The previous prime is 134340083. The next prime is 134340133. The reversal of 134340131 is 131043431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131043431 = 29 ⋅4518739.

It is a cyclic number.

It is not a de Polignac number, because 134340131 - 2¹⁴ = 134323747 is a prime.

It is a super-2 number, since 2×134340131² = 36094541594194322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134340133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3560 + ... + 16773.

It is an arithmetic number, because the mean of its divisors is an integer number (33591768).

Almost surely, 2^134340131 is an apocalyptic number.

134340131 is a deficient number, since it is larger than the sum of its proper divisors (26941).

134340131 is an equidigital number, since it uses as much as digits as its factorization.

134340131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26940.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 134340131 is about 11590.5190134006. The cubic root of 134340131 is about 512.1555961729.

Adding to 134340131 its reverse (131043431), we get a palindrome (265383562).

It can be divided in two parts, 134 and 340131, that multiplied together give a palindrome (45577554).

The spelling of 134340131 in words is "one hundred thirty-four million, three hundred forty thousand, one hundred thirty-one".