1345355386 has 8 divisors (see below), whose sum is σ = 2067253524. Its totient is φ = 656270880.

The previous prime is 1345355351. The next prime is 1345355393. The reversal of 1345355386 is 6835535431.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 920212225 + 425143161 = 30335^2 + 20619^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1345355386² = 3619962229278417992, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8203305 + ... + 8203468.

Almost surely, 2^1345355386 is an apocalyptic number.

1345355386 is a deficient number, since it is larger than the sum of its proper divisors (721898138).

1345355386 is a wasteful number, since it uses less digits than its factorization.

1345355386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16406816.

The product of its digits is 648000, while the sum is 43.

The square root of 1345355386 is about 36679.0864935320. The cubic root of 1345355386 is about 1103.9405188539.

The spelling of 1345355386 in words is "one billion, three hundred forty-five million, three hundred fifty-five thousand, three hundred eighty-six".