191413680 has 40 divisors (see below), whose sum is σ = 593383152. Its totient is φ = 51043584.

The previous prime is 191413679. The next prime is 191413681. The reversal of 191413680 is 86314191.

It is an interprime number because it is at equal distance from previous prime (191413679) and next prime (191413681).

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×191413680² = 73278393782284800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (191413681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 398539 + ... + 399018.

Almost surely, 2^191413680 is an apocalyptic number.

191413680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

191413680 is an abundant number, since it is smaller than the sum of its proper divisors (401969472).

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

191413680 is a wasteful number, since it uses less digits than its factorization.

191413680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797573 (or 797567 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 191413680 is about 13835.2332831796. The cubic root of 191413680 is about 576.3119933995.

The spelling of 191413680 in words is "one hundred ninety-one million, four hundred thirteen thousand, six hundred eighty".