535144131 has 8 divisors (see below), whose sum is σ = 792806160. Its totient is φ = 356762736.

The previous prime is 535144121. The next prime is 535144133. The reversal of 535144131 is 131441535.

It is a happy number.

It is not a de Polignac number, because 535144131 - 2¹⁰ = 535143107 is a prime.

It is a super-2 number, since 2×535144131² = 572758481887490322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 19820153 = 535144131 / (5 + 3 + 5 + 1 + 4 + 4 + 1 + 3 + 1).

It is a junction number, because it is equal to n+sod(n) for n = 535144095 and 535144104.

It is not an unprimeable number, because it can be changed into a prime (535144133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9910050 + ... + 9910103.

It is an arithmetic number, because the mean of its divisors is an integer number (99100770).

Almost surely, 2^535144131 is an apocalyptic number.

535144131 is a deficient number, since it is larger than the sum of its proper divisors (257662029).

535144131 is a wasteful number, since it uses less digits than its factorization.

535144131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19820162 (or 19820156 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 535144131 is about 23133.1824658865. The cubic root of 535144131 is about 811.8770324075.

Adding to 535144131 its reverse (131441535), we get a palindrome (666585666).

The spelling of 535144131 in words is "five hundred thirty-five million, one hundred forty-four thousand, one hundred thirty-one".