1513751540 has 24 divisors (see below), whose sum is σ = 3633004032. Its totient is φ = 519000480.

The previous prime is 1513751479. The next prime is 1513751549. The reversal of 1513751540 is 451573151.

It is a junction number, because it is equal to n+sod(n) for n = 1513751497 and 1513751506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1513751549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5406116 + ... + 5406395.

It is an arithmetic number, because the mean of its divisors is an integer number (151375168).

Almost surely, 2^1513751540 is an apocalyptic number.

1513751540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1513751540 is an abundant number, since it is smaller than the sum of its proper divisors (2119252492).

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

1513751540 is a wasteful number, since it uses less digits than its factorization.

1513751540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10812527 (or 10812525 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 32.

The square root of 1513751540 is about 38906.9600457296. The cubic root of 1513751540 is about 1148.2017364515.

The spelling of 1513751540 in words is "one billion, five hundred thirteen million, seven hundred fifty-one thousand, five hundred forty".