340402102 has 4 divisors (see below), whose sum is σ = 510603156. Its totient is φ = 170201050.

The previous prime is 340402091. The next prime is 340402129. The reversal of 340402102 is 201204043.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85100524 + ... + 85100527.

It is an arithmetic number, because the mean of its divisors is an integer number (127650789).

Almost surely, 2^340402102 is an apocalyptic number.

340402102 is a deficient number, since it is larger than the sum of its proper divisors (170201054).

340402102 is a wasteful number, since it uses less digits than its factorization.

340402102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170201053.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 340402102 is about 18449.9892140890. The cubic root of 340402102 is about 698.2282417650.

Adding to 340402102 its reverse (201204043), we get a palindrome (541606145).

The spelling of 340402102 in words is "three hundred forty million, four hundred two thousand, one hundred two".