141621131 has 2 divisors, whose sum is σ = 141621132. Its totient is φ = 141621130.

The previous prime is 141621121. The next prime is 141621173. The reversal of 141621131 is 131126141.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (131126141) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-141621131 is a prime.

It is a super-2 number, since 2×141621131² = 40113089491438322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (141621121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70810565 + 70810566.

It is an arithmetic number, because the mean of its divisors is an integer number (70810566).

Almost surely, 2^141621131 is an apocalyptic number.

141621131 is a deficient number, since it is larger than the sum of its proper divisors (1).

141621131 is an equidigital number, since it uses as much as digits as its factorization.

141621131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 144, while the sum is 20.

The square root of 141621131 is about 11900.4676798855. The cubic root of 141621131 is about 521.2459410381.

Adding to 141621131 its reverse (131126141), we get a palindrome (272747272).

The spelling of 141621131 in words is "one hundred forty-one million, six hundred twenty-one thousand, one hundred thirty-one".