1900129743 has 12 divisors (see below), whose sum is σ = 2746329768. Its totient is φ = 1265969520.

The previous prime is 1900129741. The next prime is 1900129753. The reversal of 1900129743 is 3479210091.

It is not a de Polignac number, because 1900129743 - 2¹ = 1900129741 is a prime.

It is a super-2 number, since 2×1900129743² = 7220986080466492098, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1900129698 and 1900129707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1900129741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49753 + ... + 79218.

It is an arithmetic number, because the mean of its divisors is an integer number (228860814).

Almost surely, 2^1900129743 is an apocalyptic number.

1900129743 is a deficient number, since it is larger than the sum of its proper divisors (846200025).

1900129743 is a wasteful number, since it uses less digits than its factorization.

1900129743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130614 (or 130611 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 1900129743 is about 43590.4776642789. The cubic root of 1900129743 is about 1238.5905210573.

The spelling of 1900129743 in words is "one billion, nine hundred million, one hundred twenty-nine thousand, seven hundred forty-three".