7136671890 has 32 divisors (see below), whose sum is σ = 18029488320. Its totient is φ = 1802948544.

The previous prime is 7136671873. The next prime is 7136671903. The reversal of 7136671890 is 981766317.

It is a happy number.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6259669 + ... + 6260808.

It is an arithmetic number, because the mean of its divisors is an integer number (563421510).

Almost surely, 2^7136671890 is an apocalyptic number.

7136671890 is an abundant number, since it is smaller than the sum of its proper divisors (10892816430).

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

7136671890 is a wasteful number, since it uses less digits than its factorization.

7136671890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12520506.

The product of its (nonzero) digits is 381024, while the sum is 48.

The square root of 7136671890 is about 84478.8250983641. The cubic root of 7136671890 is about 1925.3007358336.

The spelling of 7136671890 in words is "seven billion, one hundred thirty-six million, six hundred seventy-one thousand, eight hundred ninety".