1380083731 has 8 divisors (see below), whose sum is σ = 1488508560. Its totient is φ = 1271982432.

The previous prime is 1380083717. The next prime is 1380083741. The reversal of 1380083731 is 1373800831.

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 1380083731 - 2⁷ = 1380083603 is a prime.

It is a super-2 number, since 2×1380083731² = 3809262209141760722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1380083741) 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, 71980 + ... + 89113.

It is an arithmetic number, because the mean of its divisors is an integer number (186063570).

Almost surely, 2^1380083731 is an apocalyptic number.

1380083731 is a deficient number, since it is larger than the sum of its proper divisors (108424829).

1380083731 is a wasteful number, since it uses less digits than its factorization.

1380083731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161765.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 1380083731 is about 37149.4782062952. The cubic root of 1380083731 is about 1113.3587981574.

The spelling of 1380083731 in words is "one billion, three hundred eighty million, eighty-three thousand, seven hundred thirty-one".