140402130 has 64 divisors (see below), whose sum is σ = 368862336. Its totient is φ = 33920000.

The previous prime is 140402107. The next prime is 140402147. The reversal of 140402130 is 31204041.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 131800 + ... + 132860.

It is an arithmetic number, because the mean of its divisors is an integer number (5763474).

Almost surely, 2^140402130 is an apocalyptic number.

140402130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 140402130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184431168).

140402130 is an abundant number, since it is smaller than the sum of its proper divisors (228460206).

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

140402130 is a wasteful number, since it uses less digits than its factorization.

140402130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1483.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 140402130 is about 11849.1404751568. The cubic root of 140402130 is about 519.7460915236.

Adding to 140402130 its reverse (31204041), we get a palindrome (171606171).

The spelling of 140402130 in words is "one hundred forty million, four hundred two thousand, one hundred thirty".