1356774003 has 32 divisors (see below), whose sum is σ = 2195182080. Its totient is φ = 823163040.

The previous prime is 1356773987. The next prime is 1356774007. The reversal of 1356774003 is 3004776531.

It is not a de Polignac number, because 1356774003 - 2⁴ = 1356773987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1356774007) 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, 2301 + ... + 52142.

It is an arithmetic number, because the mean of its divisors is an integer number (68599440).

Almost surely, 2^1356774003 is an apocalyptic number.

1356774003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1356774003 is a deficient number, since it is larger than the sum of its proper divisors (838408077).

1356774003 is a wasteful number, since it uses less digits than its factorization.

1356774003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54536 (or 54530 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 36.

The square root of 1356774003 is about 36834.4132978930. The cubic root of 1356774003 is about 1107.0549322408.

The spelling of 1356774003 in words is "one billion, three hundred fifty-six million, seven hundred seventy-four thousand, three".