141818731 has 2 divisors, whose sum is σ = 141818732. Its totient is φ = 141818730.

The previous prime is 141818711. The next prime is 141818771. The reversal of 141818731 is 137818141.

It is a weak prime.

It is an emirp because it is prime and its reverse (137818141) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 141818731 - 2⁹ = 141818219 is a prime.

It is a super-2 number, since 2×141818731² = 40225104924900722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (141818711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70909365 + 70909366.

It is an arithmetic number, because the mean of its divisors is an integer number (70909366).

Almost surely, 2^141818731 is an apocalyptic number.

141818731 is a deficient number, since it is larger than the sum of its proper divisors (1).

141818731 is an equidigital number, since it uses as much as digits as its factorization.

141818731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5376, while the sum is 34.

The square root of 141818731 is about 11908.7669806744. The cubic root of 141818731 is about 521.4882549989.

The spelling of 141818731 in words is "one hundred forty-one million, eight hundred eighteen thousand, seven hundred thirty-one".