340197389187 has 8 divisors (see below), whose sum is σ = 453608507136. Its totient is φ = 226792265352.

The previous prime is 340197389179. The next prime is 340197389237. The reversal of 340197389187 is 781983791043.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 340197389187 - 2³ = 340197389179 is a prime.

It is a super-2 number, since 2×340197389187² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 340197389187.

It is not an unprimeable number, because it can be changed into a prime (340197389167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1364383 + ... + 1594344.

It is an arithmetic number, because the mean of its divisors is an integer number (56701063392).

Almost surely, 2^340197389187 is an apocalyptic number.

340197389187 is a deficient number, since it is larger than the sum of its proper divisors (113411117949).

340197389187 is a wasteful number, since it uses less digits than its factorization.

340197389187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2997057.

The product of its (nonzero) digits is 9144576, while the sum is 60.

The spelling of 340197389187 in words is "three hundred forty billion, one hundred ninety-seven million, three hundred eighty-nine thousand, one hundred eighty-seven".