1534131542 has 8 divisors (see below), whose sum is σ = 2309689632. Its totient is φ = 764235000.

The previous prime is 1534131499. The next prime is 1534131569. The reversal of 1534131542 is 2451314351.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1414709 + ... + 1415792.

It is an arithmetic number, because the mean of its divisors is an integer number (288711204).

Almost surely, 2^1534131542 is an apocalyptic number.

1534131542 is a deficient number, since it is larger than the sum of its proper divisors (775558090).

1534131542 is a wasteful number, since it uses less digits than its factorization.

1534131542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2830774.

The product of its digits is 7200, while the sum is 29.

The square root of 1534131542 is about 39167.9912939124. The cubic root of 1534131542 is about 1153.3316221885.

Adding to 1534131542 its reverse (2451314351), we get a palindrome (3985445893).

The spelling of 1534131542 in words is "one billion, five hundred thirty-four million, one hundred thirty-one thousand, five hundred forty-two".