1540415130 has 32 divisors (see below), whose sum is σ = 3775659264. Its totient is φ = 402037056.

The previous prime is 1540415099. The next prime is 1540415143. The reversal of 1540415130 is 315140451.

It is a happy number.

1540415130 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1540415130.

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, 544837 + ... + 547656.

It is an arithmetic number, because the mean of its divisors is an integer number (117989352).

Almost surely, 2^1540415130 is an apocalyptic number.

1540415130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1540415130 is an abundant number, since it is smaller than the sum of its proper divisors (2235244134).

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

1540415130 is a wasteful number, since it uses less digits than its factorization.

1540415130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092550.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1540415130 is about 39248.1226302609. The cubic root of 1540415130 is about 1154.9041055297.

Adding to 1540415130 its reverse (315140451), we get a palindrome (1855555581).

The spelling of 1540415130 in words is "one billion, five hundred forty million, four hundred fifteen thousand, one hundred thirty".