141942631 has 4 divisors (see below), whose sum is σ = 142000992. Its totient is φ = 141884272.

The previous prime is 141942623. The next prime is 141942641. The reversal of 141942631 is 136249141.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 136249141 = 7 ⋅19464163.

It is a cyclic number.

It is not a de Polignac number, because 141942631 - 2³ = 141942623 is a prime.

It is a super-2 number, since 2×141942631² = 40295420990404322, 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 = 141942593 and 141942602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141942611) 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, 25366 + ... + 30451.

It is an arithmetic number, because the mean of its divisors is an integer number (35500248).

Almost surely, 2^141942631 is an apocalyptic number.

141942631 is a deficient number, since it is larger than the sum of its proper divisors (58361).

141942631 is an equidigital number, since it uses as much as digits as its factorization.

141942631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58360.

The product of its digits is 5184, while the sum is 31.

The square root of 141942631 is about 11913.9678948703. The cubic root of 141942631 is about 521.6400769461.

The spelling of 141942631 in words is "one hundred forty-one million, nine hundred forty-two thousand, six hundred thirty-one".