1513420540 has 12 divisors (see below), whose sum is σ = 3178183176. Its totient is φ = 605368208.

The previous prime is 1513420537. The next prime is 1513420549. The reversal of 1513420540 is 450243151.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1513420549) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 37835494 + ... + 37835533.

It is an arithmetic number, because the mean of its divisors is an integer number (264848598).

Almost surely, 2^1513420540 is an apocalyptic number.

1513420540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1513420540 is an abundant number, since it is smaller than the sum of its proper divisors (1664762636).

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

1513420540 is a wasteful number, since it uses less digits than its factorization.

1513420540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75671036 (or 75671034 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1513420540 is about 38902.7060755418. The cubic root of 1513420540 is about 1148.1180409728.

Adding to 1513420540 its reverse (450243151), we get a palindrome (1963663691).

The spelling of 1513420540 in words is "one billion, five hundred thirteen million, four hundred twenty thousand, five hundred forty".