141438631 has 8 divisors (see below), whose sum is σ = 142775120. Its totient is φ = 140107968.

The previous prime is 141438613. The next prime is 141438659. The reversal of 141438631 is 136834141.

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 141438631 - 2⁵ = 141438599 is a prime.

It is a super-2 number, since 2×141438631² = 40009772678308322, 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 = 141438593 and 141438602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141438601) 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, 58315 + ... + 60691.

It is an arithmetic number, because the mean of its divisors is an integer number (17846890).

Almost surely, 2^141438631 is an apocalyptic number.

141438631 is a deficient number, since it is larger than the sum of its proper divisors (1336489).

141438631 is a wasteful number, since it uses less digits than its factorization.

141438631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2913.

The product of its digits is 6912, while the sum is 31.

The square root of 141438631 is about 11892.7974421496. The cubic root of 141438631 is about 521.0219436850.

The spelling of 141438631 in words is "one hundred forty-one million, four hundred thirty-eight thousand, six hundred thirty-one".