1140925090 has 16 divisors (see below), whose sum is σ = 2087332920. Its totient is φ = 448888320.

The previous prime is 1140925073. The next prime is 1140925099. The reversal of 1140925090 is 905290411.

It can be written as a sum of positive squares in 4 ways, for example, as 372914721 + 768010369 = 19311^2 + 27713^2 .

It is not an unprimeable number, because it can be changed into a prime (1140925099) 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, 934575 + ... + 935794.

Almost surely, 2^1140925090 is an apocalyptic number.

1140925090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1140925090 is a deficient number, since it is larger than the sum of its proper divisors (946407830).

1140925090 is a wasteful number, since it uses less digits than its factorization.

1140925090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1870437.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 1140925090 is about 33777.5826547727. The cubic root of 1140925090 is about 1044.9264204964.

The spelling of 1140925090 in words is "one billion, one hundred forty million, nine hundred twenty-five thousand, ninety".