1356402949 has 8 divisors (see below), whose sum is σ = 1480009248. Its totient is φ = 1232846160.

The previous prime is 1356402947. The next prime is 1356402991. The reversal of 1356402949 is 9492046531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1356402949 - 2¹ = 1356402947 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1356402947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67174 + ... + 85000.

It is an arithmetic number, because the mean of its divisors is an integer number (185001156).

Almost surely, 2^1356402949 is an apocalyptic number.

It is an amenable number.

1356402949 is a deficient number, since it is larger than the sum of its proper divisors (123606299).

1356402949 is a wasteful number, since it uses less digits than its factorization.

1356402949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24755.

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

The square root of 1356402949 is about 36829.3761690312. The cubic root of 1356402949 is about 1106.9540029746.

The spelling of 1356402949 in words is "one billion, three hundred fifty-six million, four hundred two thousand, nine hundred forty-nine".