134340031 has 4 divisors (see below), whose sum is σ = 153531472. Its totient is φ = 115148592.

The previous prime is 134339971. The next prime is 134340043. The reversal of 134340031 is 130043431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 134340031 - 2¹⁵ = 134307263 is a prime.

It is a super-2 number, since 2×134340031² = 36094487858161922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 134339990 and 134340008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134343031) 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, 9595710 + ... + 9595723.

It is an arithmetic number, because the mean of its divisors is an integer number (38382868).

Almost surely, 2^134340031 is an apocalyptic number.

134340031 is a deficient number, since it is larger than the sum of its proper divisors (19191441).

134340031 is an equidigital number, since it uses as much as digits as its factorization.

134340031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19191440.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 134340031 is about 11590.5146995291. The cubic root of 134340031 is about 512.1554690935.

Adding to 134340031 its reverse (130043431), we get a palindrome (264383462).

It can be divided in two parts, 1343400 and 31, that added together give a palindrome (1343431).

The spelling of 134340031 in words is "one hundred thirty-four million, three hundred forty thousand, thirty-one".