340148721043 has 4 divisors (see below), whose sum is σ = 340155416160. Its totient is φ = 340142025928.

The previous prime is 340148721037. The next prime is 340148721053. The reversal of 340148721043 is 340127841043.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 340148721043 - 2³³ = 331558786451 is a prime.

It is a super-3 number, since 3×340148721043³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 340148720993 and 340148721011.

It is not an unprimeable number, because it can be changed into a prime (340148721013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3270763 + ... + 3373156.

It is an arithmetic number, because the mean of its divisors is an integer number (85038854040).

Almost surely, 2^340148721043 is an apocalyptic number.

340148721043 is a deficient number, since it is larger than the sum of its proper divisors (6695117).

340148721043 is an equidigital number, since it uses as much as digits as its factorization.

340148721043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6695116.

The product of its (nonzero) digits is 64512, while the sum is 37.

The spelling of 340148721043 in words is "three hundred forty billion, one hundred forty-eight million, seven hundred twenty-one thousand, forty-three".