1356402055 has 32 divisors (see below), whose sum is σ = 1737381888. Its totient is φ = 1014768000.

The previous prime is 1356402013. The next prime is 1356402059. The reversal of 1356402055 is 5502046531.

It is not a de Polignac number, because 1356402055 - 2⁷ = 1356401927 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1356402059) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 934080 + ... + 935530.

It is an arithmetic number, because the mean of its divisors is an integer number (54293184).

Almost surely, 2^1356402055 is an apocalyptic number.

1356402055 is a deficient number, since it is larger than the sum of its proper divisors (380979833).

1356402055 is a wasteful number, since it uses less digits than its factorization.

1356402055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1687.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 1356402055 is about 36829.3640319786. The cubic root of 1356402055 is about 1106.9537597782.

Adding to 1356402055 its reverse (5502046531), we get a palindrome (6858448586).

The spelling of 1356402055 in words is "one billion, three hundred fifty-six million, four hundred two thousand, fifty-five".