1356145825 has 12 divisors (see below), whose sum is σ = 1720729648. Its totient is φ = 1059685200.

The previous prime is 1356145823. The next prime is 1356145841. The reversal of 1356145825 is 5285416531.

It is not a de Polignac number, because 1356145825 - 2¹ = 1356145823 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1356145823) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 629691 + ... + 631840.

Almost surely, 2^1356145825 is an apocalyptic number.

It is an amenable number.

1356145825 is a deficient number, since it is larger than the sum of its proper divisors (364583823).

1356145825 is a wasteful number, since it uses less digits than its factorization.

1356145825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1261584 (or 1261579 counting only the distinct ones).

The product of its digits is 144000, while the sum is 40.

The square root of 1356145825 is about 36825.8852575196. The cubic root of 1356145825 is about 1106.8840526628.

The spelling of 1356145825 in words is "one billion, three hundred fifty-six million, one hundred forty-five thousand, eight hundred twenty-five".