1356985201 has 8 divisors (see below), whose sum is σ = 1594220544. Its totient is φ = 1138728720.

The previous prime is 1356985193. The next prime is 1356985213. The reversal of 1356985201 is 1025896531.

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 1356985201 - 2³ = 1356985193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1356985801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4744561 + ... + 4744846.

It is an arithmetic number, because the mean of its divisors is an integer number (199277568).

Almost surely, 2^1356985201 is an apocalyptic number.

1356985201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1356985201 is a deficient number, since it is larger than the sum of its proper divisors (237235343).

1356985201 is a wasteful number, since it uses less digits than its factorization.

1356985201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9489431.

The product of its (nonzero) digits is 64800, while the sum is 40.

The square root of 1356985201 is about 36837.2800434560. The cubic root of 1356985201 is about 1107.1123713467.

The spelling of 1356985201 in words is "one billion, three hundred fifty-six million, nine hundred eighty-five thousand, two hundred one".