340000420013 has 4 divisors (see below), whose sum is σ = 340330198368. Its totient is φ = 339670641660.

The previous prime is 340000420009. The next prime is 340000420021. The reversal of 340000420013 is 310024000043.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 310024000043 = 863 ⋅359239861.

It is a cyclic number.

It is not a de Polignac number, because 340000420013 - 2² = 340000420009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 340000419973 and 340000420000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340200420013) 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, 164887631 + ... + 164889692.

It is an arithmetic number, because the mean of its divisors is an integer number (85082549592).

Almost surely, 2^340000420013 is an apocalyptic number.

It is an amenable number.

340000420013 is a deficient number, since it is larger than the sum of its proper divisors (329778355).

340000420013 is a wasteful number, since it uses less digits than its factorization.

340000420013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329778354.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 340000420013 its reverse (310024000043), we get a palindrome (650024420056).

The spelling of 340000420013 in words is "three hundred forty billion, four hundred twenty thousand, thirteen".