1976140089 has 48 divisors (see below), whose sum is σ = 3608976384. Its totient is φ = 1012082400.

The previous prime is 1976140039. The next prime is 1976140091. The reversal of 1976140089 is 9800416791.

It is a happy number.

It is not a de Polignac number, because 1976140089 - 2⁷ = 1976139961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1976140039) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29122 + ... + 69284.

It is an arithmetic number, because the mean of its divisors is an integer number (75187008).

Almost surely, 2^1976140089 is an apocalyptic number.

It is an amenable number.

1976140089 is a deficient number, since it is larger than the sum of its proper divisors (1632836295).

1976140089 is a wasteful number, since it uses less digits than its factorization.

1976140089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40258 (or 40255 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The square root of 1976140089 is about 44453.7972393810. The cubic root of 1976140089 is about 1254.8907253416.

The spelling of 1976140089 in words is "one billion, nine hundred seventy-six million, one hundred forty thousand, eighty-nine".