1381900130 has 16 divisors (see below), whose sum is σ = 2678760504. Its totient is φ = 510240000.

The previous prime is 1381900061. The next prime is 1381900133. The reversal of 1381900130 is 310091831.

It can be written as a sum of positive squares in 4 ways, for example, as 1275418369 + 106481761 = 35713^2 + 10319^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 1381900130.

It is not an unprimeable number, because it can be changed into a prime (1381900133) 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, 5314871 + ... + 5315130.

Almost surely, 2^1381900130 is an apocalyptic number.

1381900130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1381900130 is a deficient number, since it is larger than the sum of its proper divisors (1296860374).

1381900130 is a wasteful number, since it uses less digits than its factorization.

1381900130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10630021.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 1381900130 is about 37173.9173346044. The cubic root of 1381900130 is about 1113.8470335669.

Adding to 1381900130 its reverse (310091831), we get a palindrome (1691991961).

The spelling of 1381900130 in words is "one billion, three hundred eighty-one million, nine hundred thousand, one hundred thirty".