131651069 has 8 divisors (see below), whose sum is σ = 147501408. Its totient is φ = 116447760.

The previous prime is 131651063. The next prime is 131651071. The reversal of 131651069 is 960156131.

It is a happy number.

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

It is not a de Polignac number, because 131651069 - 2¹⁶ = 131585533 is a prime.

It is a super-2 number, since 2×131651069² = 34664007937685522, 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 (131651063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161327 + ... + 162140.

It is an arithmetic number, because the mean of its divisors is an integer number (18437676).

Almost surely, 2^131651069 is an apocalyptic number.

It is an amenable number.

131651069 is a deficient number, since it is larger than the sum of its proper divisors (15850339).

131651069 is a wasteful number, since it uses less digits than its factorization.

131651069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323515.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 131651069 is about 11473.9299718972. The cubic root of 131651069 is about 508.7152965681.

The spelling of 131651069 in words is "one hundred thirty-one million, six hundred fifty-one thousand, sixty-nine".