1540363146 has 48 divisors (see below), whose sum is σ = 3556373184. Its totient is φ = 435704832.

The previous prime is 1540363141. The next prime is 1540363151. The reversal of 1540363146 is 6413630451.

It is an interprime number because it is at equal distance from previous prime (1540363141) and next prime (1540363151).

It is not an unprimeable number, because it can be changed into a prime (1540363141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 443850 + ... + 447306.

It is an arithmetic number, because the mean of its divisors is an integer number (74091108).

Almost surely, 2^1540363146 is an apocalyptic number.

1540363146 is an abundant number, since it is smaller than the sum of its proper divisors (2016010038).

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

1540363146 is a wasteful number, since it uses less digits than its factorization.

1540363146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3675 (or 3572 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 1540363146 is about 39247.4603764371. The cubic root of 1540363146 is about 1154.8911139645.

Adding to 1540363146 its reverse (6413630451), we get a palindrome (7953993597).

The spelling of 1540363146 in words is "one billion, five hundred forty million, three hundred sixty-three thousand, one hundred forty-six".