131156653 has 2 divisors, whose sum is σ = 131156654. Its totient is φ = 131156652.

The previous prime is 131156651. The next prime is 131156671. The reversal of 131156653 is 356651131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91049764 + 40106889 = 9542^2 + 6333^2 .

It is an emirp because it is prime and its reverse (356651131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131156653 - 2¹ = 131156651 is a prime.

Together with 131156651, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131156651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65578326 + 65578327.

It is an arithmetic number, because the mean of its divisors is an integer number (65578327).

Almost surely, 2^131156653 is an apocalyptic number.

It is an amenable number.

131156653 is a deficient number, since it is larger than the sum of its proper divisors (1).

131156653 is an equidigital number, since it uses as much as digits as its factorization.

131156653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8100, while the sum is 31.

The square root of 131156653 is about 11452.3645156797. The cubic root of 131156653 is about 508.0776704044.

The spelling of 131156653 in words is "one hundred thirty-one million, one hundred fifty-six thousand, six hundred fifty-three".