1381242582 has 24 divisors (see below), whose sum is σ = 3150203160. Its totient is φ = 436181760.

The previous prime is 1381242539. The next prime is 1381242607. The reversal of 1381242582 is 2852421831.

It is a happy number.

1381242582 is a `hidden beast` number, since 1 + 38 + 1 + 2 + 42 + 582 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2019019 + ... + 2019702.

It is an arithmetic number, because the mean of its divisors is an integer number (131258465).

Almost surely, 2^1381242582 is an apocalyptic number.

1381242582 is an abundant number, since it is smaller than the sum of its proper divisors (1768960578).

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

1381242582 is a wasteful number, since it uses less digits than its factorization.

1381242582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4038748 (or 4038745 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 1381242582 is about 37165.0720704266. The cubic root of 1381242582 is about 1113.6703386738.

The spelling of 1381242582 in words is "one billion, three hundred eighty-one million, two hundred forty-two thousand, five hundred eighty-two".