140402022 has 8 divisors (see below), whose sum is σ = 280804056. Its totient is φ = 46800672.

The previous prime is 140402011. The next prime is 140402027. The reversal of 140402022 is 220204041.

It is a sphenic number, since it is the product of 3 distinct primes.

140402022 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 140401992 and 140402010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140402027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11700163 + ... + 11700174.

It is an arithmetic number, because the mean of its divisors is an integer number (35100507).

Almost surely, 2^140402022 is an apocalyptic number.

140402022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

140402022 is a wasteful number, since it uses less digits than its factorization.

140402022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23400342.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 140402022 is about 11849.1359178634. The cubic root of 140402022 is about 519.7459582573.

Adding to 140402022 its reverse (220204041), we get a palindrome (360606063).

The spelling of 140402022 in words is "one hundred forty million, four hundred two thousand, twenty-two".