1534140342 has 96 divisors (see below), whose sum is σ = 4014766080. Its totient is φ = 413899200.

The previous prime is 1534140271. The next prime is 1534140371. The reversal of 1534140342 is 2430414351.

It is a happy number.

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 47 ways as a sum of consecutive naturals, for example, 225592 + ... + 232292.

It is an arithmetic number, because the mean of its divisors is an integer number (41820480).

Almost surely, 2^1534140342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1534140342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2007383040).

1534140342 is an abundant number, since it is smaller than the sum of its proper divisors (2480625738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1534140342 is a wasteful number, since it uses less digits than its factorization.

1534140342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6818 (or 6815 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 1534140342 is about 39168.1036303776. The cubic root of 1534140342 is about 1153.3338274098. Note that the first 3 decimals are identical.

Adding to 1534140342 its reverse (2430414351), we get a palindrome (3964554693).

The spelling of 1534140342 in words is "one billion, five hundred thirty-four million, one hundred forty thousand, three hundred forty-two".