159382631 has 4 divisors (see below), whose sum is σ = 159500592. Its totient is φ = 159264672.

The previous prime is 159382577. The next prime is 159382673. The reversal of 159382631 is 136283951.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 136283951 = 17 ⋅8016703.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-159382631 is a prime.

It is a super-2 number, since 2×159382631² = 50805646128964322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159388631) 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, 56930 + ... + 59663.

It is an arithmetic number, because the mean of its divisors is an integer number (39875148).

Almost surely, 2^159382631 is an apocalyptic number.

159382631 is a deficient number, since it is larger than the sum of its proper divisors (117961).

159382631 is a wasteful number, since it uses less digits than its factorization.

159382631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117960.

The product of its digits is 38880, while the sum is 38.

The square root of 159382631 is about 12624.6834019709. The cubic root of 159382631 is about 542.1843744407.

The spelling of 159382631 in words is "one hundred fifty-nine million, three hundred eighty-two thousand, six hundred thirty-one".