1540142002302 has 16 divisors (see below), whose sum is σ = 3114893938320. Its totient is φ = 507612345152.

The previous prime is 1540142002261. The next prime is 1540142002349. The reversal of 1540142002302 is 2032002410451.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1442079993 + ... + 1442081060.

It is an arithmetic number, because the mean of its divisors is an integer number (194680871145).

Almost surely, 2^{1540142002302} is an apocalyptic number.

1540142002302 is an abundant number, since it is smaller than the sum of its proper divisors (1574751936018).

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

1540142002302 is a wasteful number, since it uses less digits than its factorization.

1540142002302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2884161147.

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 1540142002302 its reverse (2032002410451), we get a palindrome (3572144412753).

The spelling of 1540142002302 in words is "one trillion, five hundred forty billion, one hundred forty-two million, two thousand, three hundred two".