1381630188504 has 32 divisors (see below), whose sum is σ = 3454842121920. Its totient is φ = 460441176096.

The previous prime is 1381630188487. The next prime is 1381630188509. The reversal of 1381630188504 is 4058810361831.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1381630188509) 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, 6278334 + ... + 6494669.

It is an arithmetic number, because the mean of its divisors is an integer number (107963816310).

Almost surely, 2^{1381630188504} is an apocalyptic number.

It is an amenable number.

1381630188504 is an abundant number, since it is smaller than the sum of its proper divisors (2073211933416).

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

1381630188504 is a wasteful number, since it uses less digits than its factorization.

1381630188504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12777519 (or 12777515 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 48.

The spelling of 1381630188504 in words is "one trillion, three hundred eighty-one billion, six hundred thirty million, one hundred eighty-eight thousand, five hundred four".