1381357016 has 16 divisors (see below), whose sum is σ = 2789278800. Its totient is φ = 637549344.

The previous prime is 1381356973. The next prime is 1381357037. The reversal of 1381357016 is 6107531831.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6641036 + ... + 6641243.

It is an arithmetic number, because the mean of its divisors is an integer number (174329925).

Almost surely, 2^1381357016 is an apocalyptic number.

It is an amenable number.

1381357016 is an abundant number, since it is smaller than the sum of its proper divisors (1407921784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1381357016 is a wasteful number, since it uses less digits than its factorization.

1381357016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13282298 (or 13282294 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 1381357016 is about 37166.6115754450. The cubic root of 1381357016 is about 1113.7010931635.

Adding to 1381357016 its reverse (6107531831), we get a palindrome (7488888847).

The spelling of 1381357016 in words is "one billion, three hundred eighty-one million, three hundred fifty-seven thousand, sixteen".