1402330140 has 36 divisors (see below), whose sum is σ = 4253735304. Its totient is φ = 373954656.

The previous prime is 1402330103. The next prime is 1402330141. The reversal of 1402330140 is 410332041.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402330141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3895182 + ... + 3895541.

It is an arithmetic number, because the mean of its divisors is an integer number (118159314).

Almost surely, 2^1402330140 is an apocalyptic number.

1402330140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1402330140 is an abundant number, since it is smaller than the sum of its proper divisors (2851405164).

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

1402330140 is a wasteful number, since it uses less digits than its factorization.

1402330140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7790738 (or 7790733 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1402330140 is about 37447.6987276922. The cubic root of 1402330140 is about 1119.3092413675.

Adding to 1402330140 its reverse (410332041), we get a palindrome (1812662181).

The spelling of 1402330140 in words is "one billion, four hundred two million, three hundred thirty thousand, one hundred forty".