1342185386 has 4 divisors (see below), whose sum is σ = 2013278082. Its totient is φ = 671092692.

The previous prime is 1342185329. The next prime is 1342185391. The reversal of 1342185386 is 6835812431.

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

It can be written as a sum of positive squares in only one way, i.e., 1240800625 + 101384761 = 35225^2 + 10069^2 .

It is a super-2 number, since 2×1342185386² = 3602923220783937992, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335546345 + ... + 335546348.

Almost surely, 2^1342185386 is an apocalyptic number.

1342185386 is a deficient number, since it is larger than the sum of its proper divisors (671092696).

1342185386 is an equidigital number, since it uses as much as digits as its factorization.

1342185386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671092695.

The product of its digits is 138240, while the sum is 41.

The square root of 1342185386 is about 36635.8483728711. The cubic root of 1342185386 is about 1103.0727819349.

The spelling of 1342185386 in words is "one billion, three hundred forty-two million, one hundred eighty-five thousand, three hundred eighty-six".