1532131442 has 4 divisors (see below), whose sum is σ = 2298197166. Its totient is φ = 766065720.

The previous prime is 1532131441. The next prime is 1532131459. The reversal of 1532131442 is 2441312351.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1348284961 + 183846481 = 36719^2 + 13559^2 .

It is not an unprimeable number, because it can be changed into a prime (1532131441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 383032859 + ... + 383032862.

Almost surely, 2^1532131442 is an apocalyptic number.

1532131442 is a deficient number, since it is larger than the sum of its proper divisors (766065724).

1532131442 is an equidigital number, since it uses as much as digits as its factorization.

1532131442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766065723.

The product of its digits is 2880, while the sum is 26.

The square root of 1532131442 is about 39142.4506386608. The cubic root of 1532131442 is about 1152.8301915274.

Adding to 1532131442 its reverse (2441312351), we get a palindrome (3973443793).

The spelling of 1532131442 in words is "one billion, five hundred thirty-two million, one hundred thirty-one thousand, four hundred forty-two".