1381085330 has 16 divisors (see below), whose sum is σ = 2487862080. Its totient is φ = 552010032.

The previous prime is 1381085317. The next prime is 1381085333. The reversal of 1381085330 is 335801831.

It is not an unprimeable number, because it can be changed into a prime (1381085333) 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, 39164 + ... + 65543.

It is an arithmetic number, because the mean of its divisors is an integer number (155491380).

Almost surely, 2^1381085330 is an apocalyptic number.

1381085330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1381085330 is a deficient number, since it is larger than the sum of its proper divisors (1106776750).

1381085330 is a wasteful number, since it uses less digits than its factorization.

1381085330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106033.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 1381085330 is about 37162.9564216842. The cubic root of 1381085330 is about 1113.6280739438.

The spelling of 1381085330 in words is "one billion, three hundred eighty-one million, eighty-five thousand, three hundred thirty".