1356294049 has 4 divisors (see below), whose sum is σ = 1479593520. Its totient is φ = 1232994580.

The previous prime is 1356293999. The next prime is 1356294053. The reversal of 1356294049 is 9404926531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1356294049 - 2¹¹ = 1356292001 is a prime.

It is a super-3 number, since 3×1356294049³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1356293996 and 1356294014.

It is not an unprimeable number, because it can be changed into a prime (1356294349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61649719 + ... + 61649740.

It is an arithmetic number, because the mean of its divisors is an integer number (369898380).

Almost surely, 2^1356294049 is an apocalyptic number.

It is an amenable number.

1356294049 is a deficient number, since it is larger than the sum of its proper divisors (123299471).

1356294049 is a wasteful number, since it uses less digits than its factorization.

1356294049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123299470.

The product of its (nonzero) digits is 233280, while the sum is 43.

The square root of 1356294049 is about 36827.8976999774. The cubic root of 1356294049 is about 1106.9243779242.

The spelling of 1356294049 in words is "one billion, three hundred fifty-six million, two hundred ninety-four thousand, forty-nine".