1001354140 has 24 divisors (see below), whose sum is σ = 2131652880. Its totient is φ = 395054208.

The previous prime is 1001354117. The next prime is 1001354147. The reversal of 1001354140 is 414531001.

It is a super-2 number, since 2×1001354140² = 2005420227390279200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001354147) 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, 341470 + ... + 344389.

It is an arithmetic number, because the mean of its divisors is an integer number (88818870).

Almost surely, 2^1001354140 is an apocalyptic number.

1001354140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1001354140 is an abundant number, since it is smaller than the sum of its proper divisors (1130298740).

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

1001354140 is a wasteful number, since it uses less digits than its factorization.

1001354140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685941 (or 685939 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1001354140 is about 31644.1801916245. The cubic root of 1001354140 is about 1000.4511764092.

Adding to 1001354140 its reverse (414531001), we get a palindrome (1415885141).

The spelling of 1001354140 in words is "one billion, one million, three hundred fifty-four thousand, one hundred forty".