1356402054 has 64 divisors (see below), whose sum is σ = 3147056640. Its totient is φ = 381749760.

The previous prime is 1356402013. The next prime is 1356402059. The reversal of 1356402054 is 4502046531.

It is a Curzon 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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 858237 + ... + 859815.

It is an arithmetic number, because the mean of its divisors is an integer number (49172760).

Almost surely, 2^1356402054 is an apocalyptic number.

1356402054 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1356402054 is an abundant number, since it is smaller than the sum of its proper divisors (1790654586).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1356402054 is a wasteful number, since it uses less digits than its factorization.

1356402054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1885.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 1356402054 is about 36829.3640184025. The cubic root of 1356402054 is about 1106.9537595062.

Adding to 1356402054 its reverse (4502046531), we get a palindrome (5858448585).

The spelling of 1356402054 in words is "one billion, three hundred fifty-six million, four hundred two thousand, fifty-four".