1925134280 has 32 divisors (see below), whose sum is σ = 4333089600. Its totient is φ = 769780416.

The previous prime is 1925134279. The next prime is 1925134291. The reversal of 1925134280 is 824315291.

It is a super-2 number, since 2×1925134280² = 7412283992062236800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1925134280.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135599 + ... + 149121.

It is an arithmetic number, because the mean of its divisors is an integer number (135409050).

Almost surely, 2^1925134280 is an apocalyptic number.

1925134280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1925134280 is an abundant number, since it is smaller than the sum of its proper divisors (2407955320).

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

1925134280 is a wasteful number, since it uses less digits than its factorization.

1925134280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17093 (or 17089 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 1925134280 is about 43876.3521728961. The cubic root of 1925134280 is about 1243.9998914403. Note that the first 3 decimals are identical.

The spelling of 1925134280 in words is "one billion, nine hundred twenty-five million, one hundred thirty-four thousand, two hundred eighty".