1356420655 has 8 divisors (see below), whose sum is σ = 1680211584. Its totient is φ = 1050132000.

The previous prime is 1356420643. The next prime is 1356420661. The reversal of 1356420655 is 5560246531.

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

It is a de Polignac number, because none of the positive numbers 2^k-1356420655 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, 4375396 + ... + 4375705.

It is an arithmetic number, because the mean of its divisors is an integer number (210026448).

Almost surely, 2^1356420655 is an apocalyptic number.

1356420655 is a deficient number, since it is larger than the sum of its proper divisors (323790929).

1356420655 is an equidigital number, since it uses as much as digits as its factorization.

1356420655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8751137.

The product of its (nonzero) digits is 108000, while the sum is 37.

The square root of 1356420655 is about 36829.6165470128. The cubic root of 1356420655 is about 1106.9588195478.

The spelling of 1356420655 in words is "one billion, three hundred fifty-six million, four hundred twenty thousand, six hundred fifty-five".