40134325391 has 2 divisors, whose sum is σ = 40134325392. Its totient is φ = 40134325390.

The previous prime is 40134325379. The next prime is 40134325447. The reversal of 40134325391 is 19352343104.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40134325391 - 2³⁴ = 22954456207 is a prime.

It is a super-2 number, since 2×40134325391² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40134325291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20067162695 + 20067162696.

It is an arithmetic number, because the mean of its divisors is an integer number (20067162696).

Almost surely, 2^40134325391 is an apocalyptic number.

40134325391 is a deficient number, since it is larger than the sum of its proper divisors (1).

40134325391 is an equidigital number, since it uses as much as digits as its factorization.

40134325391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 35.

Adding to 40134325391 its reverse (19352343104), we get a palindrome (59486668495).

The spelling of 40134325391 in words is "forty billion, one hundred thirty-four million, three hundred twenty-five thousand, three hundred ninety-one".