131703653 has 4 divisors (see below), whose sum is σ = 133290528. Its totient is φ = 130116780.

The previous prime is 131703643. The next prime is 131703661. The reversal of 131703653 is 356307131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 131703653 - 2¹⁸ = 131441509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131703613) 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, 793313 + ... + 793478.

It is an arithmetic number, because the mean of its divisors is an integer number (33322632).

Almost surely, 2^131703653 is an apocalyptic number.

It is an amenable number.

131703653 is a deficient number, since it is larger than the sum of its proper divisors (1586875).

131703653 is an equidigital number, since it uses as much as digits as its factorization.

131703653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1586874.

The product of its (nonzero) digits is 5670, while the sum is 29.

The square root of 131703653 is about 11476.2211986350. The cubic root of 131703653 is about 508.7830178170.

The spelling of 131703653 in words is "one hundred thirty-one million, seven hundred three thousand, six hundred fifty-three".