1380669351 has 16 divisors (see below), whose sum is σ = 1901998080. Its totient is φ = 889947360.

The previous prime is 1380669343. The next prime is 1380669361. The reversal of 1380669351 is 1539660831.

It is a happy number.

It is not a de Polignac number, because 1380669351 - 2³ = 1380669343 is a prime.

It is a super-2 number, since 2×1380669351² = 3812495713581522402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1380669341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106690 + ... + 118928.

It is an arithmetic number, because the mean of its divisors is an integer number (118874880).

Almost surely, 2^1380669351 is an apocalyptic number.

1380669351 is a deficient number, since it is larger than the sum of its proper divisors (521328729).

1380669351 is a wasteful number, since it uses less digits than its factorization.

1380669351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13486.

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 1380669351 is about 37157.3593114473. The cubic root of 1380669351 is about 1113.5162555066.

The spelling of 1380669351 in words is "one billion, three hundred eighty million, six hundred sixty-nine thousand, three hundred fifty-one".