641134036 has 12 divisors (see below), whose sum is σ = 1126252512. Its totient is φ = 319347608.

The previous prime is 641134027. The next prime is 641134051. The reversal of 641134036 is 630431146.

It is a super-2 number, since 2×641134036² = 822105704235298592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 641133995 and 641134013.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 303670 + ... + 305773.

It is an arithmetic number, because the mean of its divisors is an integer number (93854376).

Almost surely, 2^641134036 is an apocalyptic number.

It is an amenable number.

641134036 is a deficient number, since it is larger than the sum of its proper divisors (485118476).

641134036 is a wasteful number, since it uses less digits than its factorization.

641134036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609710 (or 609708 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 641134036 is about 25320.6247158320. The cubic root of 641134036 is about 862.2825770237.

The spelling of 641134036 in words is "six hundred forty-one million, one hundred thirty-four thousand, thirty-six".