1359436657 has 4 divisors (see below), whose sum is σ = 1360549440. Its totient is φ = 1358323876.

The previous prime is 1359436651. The next prime is 1359436711. The reversal of 1359436657 is 7566349531.

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 1359436657 - 2¹⁹ = 1358912369 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1359436657.

It is not an unprimeable number, because it can be changed into a prime (1359436651) 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, 554557 + ... + 557002.

It is an arithmetic number, because the mean of its divisors is an integer number (340137360).

Almost surely, 2^1359436657 is an apocalyptic number.

It is an amenable number.

1359436657 is a deficient number, since it is larger than the sum of its proper divisors (1112783).

1359436657 is a wasteful number, since it uses less digits than its factorization.

1359436657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112782.

The product of its digits is 2041200, while the sum is 49.

The square root of 1359436657 is about 36870.5391471294. The cubic root of 1359436657 is about 1107.7786533758.

The spelling of 1359436657 in words is "one billion, three hundred fifty-nine million, four hundred thirty-six thousand, six hundred fifty-seven".