141402491 has 2 divisors, whose sum is σ = 141402492. Its totient is φ = 141402490.

The previous prime is 141402487. The next prime is 141402509. The reversal of 141402491 is 194204141.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 141402491 - 2² = 141402487 is a prime.

It is a super-2 number, since 2×141402491² = 39989328922010162, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 141402491.

It is not a weakly prime, because it can be changed into another prime (141402421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70701245 + 70701246.

It is an arithmetic number, because the mean of its divisors is an integer number (70701246).

Almost surely, 2^141402491 is an apocalyptic number.

141402491 is a deficient number, since it is larger than the sum of its proper divisors (1).

141402491 is an equidigital number, since it uses as much as digits as its factorization.

141402491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 141402491 is about 11891.2779380519. The cubic root of 141402491 is about 520.9775632190.

The spelling of 141402491 in words is "one hundred forty-one million, four hundred two thousand, four hundred ninety-one".