340521135003 has 64 divisors (see below), whose sum is σ = 592376832000. Its totient is φ = 189244294272.

The previous prime is 340521134969. The next prime is 340521135013. The reversal of 340521135003 is 300531125043.

340521135003 is a `hidden beast` number, since 3 + 4 + 0 + 521 + 135 + 0 + 0 + 3 = 666.

It is not a de Polignac number, because 340521135003 - 2⁸ = 340521134747 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (340521135013) 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 63 ways as a sum of consecutive naturals, for example, 19005013 + ... + 19022921.

It is an arithmetic number, because the mean of its divisors is an integer number (9255888000).

Almost surely, 2^340521135003 is an apocalyptic number.

340521135003 is a deficient number, since it is larger than the sum of its proper divisors (251855696997).

340521135003 is a wasteful number, since it uses less digits than its factorization.

340521135003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20681 (or 20675 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The spelling of 340521135003 in words is "three hundred forty billion, five hundred twenty-one million, one hundred thirty-five thousand, three".