1356549441 has 16 divisors (see below), whose sum is σ = 2050386240. Its totient is φ = 790862400.

The previous prime is 1356549433. The next prime is 1356549461. The reversal of 1356549441 is 1449456531.

It is a happy number.

It is not a de Polignac number, because 1356549441 - 2³ = 1356549433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1356549393 and 1356549402.

It is not an unprimeable number, because it can be changed into a prime (1356549461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 914610 + ... + 916091.

It is an arithmetic number, because the mean of its divisors is an integer number (128149140).

Almost surely, 2^1356549441 is an apocalyptic number.

It is an amenable number.

1356549441 is a deficient number, since it is larger than the sum of its proper divisors (693836799).

1356549441 is a wasteful number, since it uses less digits than its factorization.

1356549441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1830736.

The product of its digits is 259200, while the sum is 42.

The square root of 1356549441 is about 36831.3649081866. The cubic root of 1356549441 is about 1106.9938520152.

The spelling of 1356549441 in words is "one billion, three hundred fifty-six million, five hundred forty-nine thousand, four hundred forty-one".