1342686686 has 32 divisors (see below), whose sum is σ = 2321740800. Its totient is φ = 576370080.

The previous prime is 1342686671. The next prime is 1342686701. The reversal of 1342686686 is 6866862431.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1342686671) and next prime (1342686701).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23180 + ... + 56768.

It is an arithmetic number, because the mean of its divisors is an integer number (72554400).

Almost surely, 2^1342686686 is an apocalyptic number.

1342686686 is a deficient number, since it is larger than the sum of its proper divisors (979054114).

1342686686 is a wasteful number, since it uses less digits than its factorization.

1342686686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33704.

The product of its digits is 1990656, while the sum is 50.

The square root of 1342686686 is about 36642.6893936567. The cubic root of 1342686686 is about 1103.2100956924.

The spelling of 1342686686 in words is "one billion, three hundred forty-two million, six hundred eighty-six thousand, six hundred eighty-six".