1002135015 has 36 divisors (see below), whose sum is σ = 2020635864. Its totient is φ = 458117856.

The previous prime is 1002135011. The next prime is 1002135019. The reversal of 1002135015 is 5105312001.

It is an interprime number because it is at equal distance from previous prime (1002135011) and next prime (1002135019).

It is not a de Polignac number, because 1002135015 - 2² = 1002135011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002135011) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 225037 + ... + 229446.

It is an arithmetic number, because the mean of its divisors is an integer number (56128774).

Almost surely, 2^1002135015 is an apocalyptic number.

1002135015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1002135015 is an abundant number, since it is smaller than the sum of its proper divisors (1018500849).

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

1002135015 is a wasteful number, since it uses less digits than its factorization.

1002135015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454508 (or 454498 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 1002135015 is about 31656.5161538663. The cubic root of 1002135015 is about 1000.7111657900.

Adding to 1002135015 its reverse (5105312001), we get a palindrome (6107447016).

The spelling of 1002135015 in words is "one billion, two million, one hundred thirty-five thousand, fifteen".