1015138430 has 32 divisors (see below), whose sum is σ = 1868783616. Its totient is φ = 396850464.

The previous prime is 1015138381. The next prime is 1015138433. The reversal of 1015138430 is 348315101.

1015138430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 1015138430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1015138433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 509897 + ... + 511883.

It is an arithmetic number, because the mean of its divisors is an integer number (58399488).

Almost surely, 2^1015138430 is an apocalyptic number.

1015138430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1015138430 is a deficient number, since it is larger than the sum of its proper divisors (853645186).

1015138430 is a wasteful number, since it uses less digits than its factorization.

1015138430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3128.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 1015138430 is about 31861.2371071809. The cubic root of 1015138430 is about 1005.0208917878.

The spelling of 1015138430 in words is "one billion, fifteen million, one hundred thirty-eight thousand, four hundred thirty".