340555013 has 4 divisors (see below), whose sum is σ = 341565900. Its totient is φ = 339544128.

The previous prime is 340555003. The next prime is 340555027. The reversal of 340555013 is 310555043.

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

It can be written as a sum of positive squares in 2 ways, for example, as 189805729 + 150749284 = 13777^2 + 12278^2 .

It is a cyclic number.

It is not a de Polignac number, because 340555013 - 2⁸ = 340554757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340555003) 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, 504938 + ... + 505611.

It is an arithmetic number, because the mean of its divisors is an integer number (85391475).

Almost surely, 2^340555013 is an apocalyptic number.

It is an amenable number.

340555013 is a deficient number, since it is larger than the sum of its proper divisors (1010887).

340555013 is a wasteful number, since it uses less digits than its factorization.

340555013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010886.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 340555013 is about 18454.1326807845. The cubic root of 340555013 is about 698.3327757806.

The spelling of 340555013 in words is "three hundred forty million, five hundred fifty-five thousand, thirteen".