1356542645 has 8 divisors (see below), whose sum is σ = 1698627456. Its totient is φ = 1038049936.

The previous prime is 1356542587. The next prime is 1356542699. The reversal of 1356542645 is 5462456531.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1356542645 - 2²² = 1352348341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5897897 + ... + 5898126.

It is an arithmetic number, because the mean of its divisors is an integer number (212328432).

Almost surely, 2^1356542645 is an apocalyptic number.

It is an amenable number.

1356542645 is a deficient number, since it is larger than the sum of its proper divisors (342084811).

1356542645 is a wasteful number, since it uses less digits than its factorization.

1356542645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11796051.

The product of its digits is 432000, while the sum is 41.

The square root of 1356542645 is about 36831.2726497470. The cubic root of 1356542645 is about 1106.9920034174.

The spelling of 1356542645 in words is "one billion, three hundred fifty-six million, five hundred forty-two thousand, six hundred forty-five".