1542134130440 has 64 divisors (see below), whose sum is σ = 3521883499200. Its totient is φ = 607596219648.

The previous prime is 1542134130421. The next prime is 1542134130469. The reversal of 1542134130440 is 440314312451.

It is a junction number, because it is equal to n+sod(n) for n = 1542134130397 and 1542134130406.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64192751 + ... + 64216769.

It is an arithmetic number, because the mean of its divisors is an integer number (55029429675).

Almost surely, 2^{1542134130440} is an apocalyptic number.

1542134130440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1542134130440 is an abundant number, since it is smaller than the sum of its proper divisors (1979749368760).

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

1542134130440 is a wasteful number, since it uses less digits than its factorization.

1542134130440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48054 (or 48050 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 1542134130440 its reverse (440314312451), we get a palindrome (1982448442891).

The spelling of 1542134130440 in words is "one trillion, five hundred forty-two billion, one hundred thirty-four million, one hundred thirty thousand, four hundred forty".