1356645137 has 8 divisors (see below), whose sum is σ = 1366240512. Its totient is φ = 1347073200.

The previous prime is 1356645131. The next prime is 1356645151. The reversal of 1356645137 is 7315466531.

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 1356645137 - 2⁸ = 1356644881 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1356645094 and 1356645103.

It is not an unprimeable number, because it can be changed into a prime (1356645131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119648 + ... + 130494.

It is an arithmetic number, because the mean of its divisors is an integer number (170780064).

Almost surely, 2^1356645137 is an apocalyptic number.

It is an amenable number.

1356645137 is a deficient number, since it is larger than the sum of its proper divisors (9595375).

1356645137 is a wasteful number, since it uses less digits than its factorization.

1356645137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11719.

The product of its digits is 226800, while the sum is 41.

The square root of 1356645137 is about 36832.6639954267. The cubic root of 1356645137 is about 1107.0198818793.

The spelling of 1356645137 in words is "one billion, three hundred fifty-six million, six hundred forty-five thousand, one hundred thirty-seven".