1402004140 has 24 divisors (see below), whose sum is σ = 3039184512. Its totient is φ = 542711040.

The previous prime is 1402004119. The next prime is 1402004141. The reversal of 1402004140 is 414002041.

It is not an unprimeable number, because it can be changed into a prime (1402004141) 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, 1130029 + ... + 1131268.

It is an arithmetic number, because the mean of its divisors is an integer number (126632688).

Almost surely, 2^1402004140 is an apocalyptic number.

1402004140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1402004140 is an abundant number, since it is smaller than the sum of its proper divisors (1637180372).

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

1402004140 is a wasteful number, since it uses less digits than its factorization.

1402004140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2261337 (or 2261335 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 1402004140 is about 37443.3457372602. The cubic root of 1402004140 is about 1119.2224992892. Note that the first 3 decimals are identical.

Adding to 1402004140 its reverse (414002041), we get a palindrome (1816006181).

The spelling of 1402004140 in words is "one billion, four hundred two million, four thousand, one hundred forty".