1540514316 has 24 divisors (see below), whose sum is σ = 3921309504. Its totient is φ = 466822480.

The previous prime is 1540514291. The next prime is 1540514321. The reversal of 1540514316 is 6134150451.

It is a happy number.

It is a super-4 number, since 4×1540514316⁴ (a number of 38 digits) contains 4444 as substring.

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, 5835150 + ... + 5835413.

It is an arithmetic number, because the mean of its divisors is an integer number (163387896).

Almost surely, 2^1540514316 is an apocalyptic number.

It is an amenable number.

1540514316 is an abundant number, since it is smaller than the sum of its proper divisors (2380795188).

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

1540514316 is a wasteful number, since it uses less digits than its factorization.

1540514316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11670581 (or 11670579 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 1540514316 is about 39249.3861862832. The cubic root of 1540514316 is about 1154.9288927570.

Adding to 1540514316 its reverse (6134150451), we get a palindrome (7674664767).

The spelling of 1540514316 in words is "one billion, five hundred forty million, five hundred fourteen thousand, three hundred sixteen".