1013745215 has 16 divisors (see below), whose sum is σ = 1396361280. Its totient is φ = 692098560.

The previous prime is 1013745211. The next prime is 1013745221. The reversal of 1013745215 is 5125473101.

It is not a de Polignac number, because 1013745215 - 2² = 1013745211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013745211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55226 + ... + 71255.

It is an arithmetic number, because the mean of its divisors is an integer number (87272580).

Almost surely, 2^1013745215 is an apocalyptic number.

1013745215 is a deficient number, since it is larger than the sum of its proper divisors (382616065).

1013745215 is a wasteful number, since it uses less digits than its factorization.

1013745215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126722.

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 1013745215 is about 31839.3658071262. The cubic root of 1013745215 is about 1004.5609048551.

The spelling of 1013745215 in words is "one billion, thirteen million, seven hundred forty-five thousand, two hundred fifteen".