130211992 has 8 divisors (see below), whose sum is σ = 244147500. Its totient is φ = 65105992.

The previous prime is 130211971. The next prime is 130211999. The reversal of 130211992 is 299112031.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 130211992.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130211999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8138242 + ... + 8138257.

Almost surely, 2^130211992 is an apocalyptic number.

It is an amenable number.

130211992 is a deficient number, since it is larger than the sum of its proper divisors (113935508).

130211992 is a wasteful number, since it uses less digits than its factorization.

130211992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16276505 (or 16276501 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 130211992 is about 11411.0469283059. The cubic root of 130211992 is about 506.8549135066.

The spelling of 130211992 in words is "one hundred thirty million, two hundred eleven thousand, nine hundred ninety-two".