141291631 has 8 divisors (see below), whose sum is σ = 152616464. Its totient is φ = 130032000.

The previous prime is 141291629. The next prime is 141291649. The reversal of 141291631 is 136192141.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 141291631 - 2¹ = 141291629 is a prime.

It is a super-2 number, since 2×141291631² = 39926649981280322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 141291631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141291671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11745 + ... + 20506.

It is an arithmetic number, because the mean of its divisors is an integer number (19077058).

Almost surely, 2^141291631 is an apocalyptic number.

141291631 is a deficient number, since it is larger than the sum of its proper divisors (11324833).

141291631 is a wasteful number, since it uses less digits than its factorization.

141291631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32601.

The product of its digits is 1296, while the sum is 28.

The square root of 141291631 is about 11886.6156243062. The cubic root of 141291631 is about 520.8413782708.

The spelling of 141291631 in words is "one hundred forty-one million, two hundred ninety-one thousand, six hundred thirty-one".