1380265249 has 8 divisors (see below), whose sum is σ = 1506150720. Its totient is φ = 1254447600.

The previous prime is 1380265223. The next prime is 1380265253. The reversal of 1380265249 is 9425620831.

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 1380265249 - 2⁹ = 1380264737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1380265219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31684 + ... + 61354.

It is an arithmetic number, because the mean of its divisors is an integer number (188268840).

Almost surely, 2^1380265249 is an apocalyptic number.

It is an amenable number.

1380265249 is a deficient number, since it is larger than the sum of its proper divisors (125885471).

1380265249 is a wasteful number, since it uses less digits than its factorization.

1380265249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33911.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 1380265249 is about 37151.9212020052. The cubic root of 1380265249 is about 1113.4076081917.

The spelling of 1380265249 in words is "one billion, three hundred eighty million, two hundred sixty-five thousand, two hundred forty-nine".