1002136634 has 8 divisors (see below), whose sum is σ = 1568561760. Its totient is φ = 479282716.

The previous prime is 1002136631. The next prime is 1002136643. The reversal of 1002136634 is 4366312001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1002136631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10892744 + ... + 10892835.

It is an arithmetic number, because the mean of its divisors is an integer number (196070220).

Almost surely, 2^1002136634 is an apocalyptic number.

1002136634 is a deficient number, since it is larger than the sum of its proper divisors (566425126).

1002136634 is a wasteful number, since it uses less digits than its factorization.

1002136634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21785604.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 1002136634 is about 31656.5417252106. The cubic root of 1002136634 is about 1000.7117046896.

Adding to 1002136634 its reverse (4366312001), we get a palindrome (5368448635).

The spelling of 1002136634 in words is "one billion, two million, one hundred thirty-six thousand, six hundred thirty-four".