130202537 has 4 divisors (see below), whose sum is σ = 130244100. Its totient is φ = 130160976.

The previous prime is 130202521. The next prime is 130202539. The reversal of 130202537 is 735202031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 735202031 = 13883 ⋅52957.

It can be written as a sum of positive squares in 2 ways, for example, as 120648256 + 9554281 = 10984^2 + 3091^2 .

It is a cyclic number.

It is not a de Polignac number, because 130202537 - 2⁴ = 130202521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130202539) 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, 15662 + ... + 22487.

It is an arithmetic number, because the mean of its divisors is an integer number (32561025).

Almost surely, 2^130202537 is an apocalyptic number.

It is an amenable number.

130202537 is a deficient number, since it is larger than the sum of its proper divisors (41563).

130202537 is an equidigital number, since it uses as much as digits as its factorization.

130202537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41562.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 130202537 is about 11410.6326292629. The cubic root of 130202537 is about 506.8426452325.

Adding to 130202537 its reverse (735202031), we get a palindrome (865404568).

The spelling of 130202537 in words is "one hundred thirty million, two hundred two thousand, five hundred thirty-seven".