140214402 has 56 divisors (see below), whose sum is σ = 333946476. Its totient is φ = 43981056.

The previous prime is 140214401. The next prime is 140214407. The reversal of 140214402 is 204412041.

It can be written as a sum of positive squares in 2 ways, for example, as 139216401 + 998001 = 11799^2 + 999^2 .

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

It is not an unprimeable number, because it can be changed into a prime (140214401) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 21958 + ... + 27614.

Almost surely, 2^140214402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140214402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166973238).

140214402 is an abundant number, since it is smaller than the sum of its proper divisors (193732074).

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

140214402 is an equidigital number, since it uses as much as digits as its factorization.

140214402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5694 (or 5679 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 140214402 is about 11841.2162382080. The cubic root of 140214402 is about 519.5143419219.

Adding to 140214402 its reverse (204412041), we get a palindrome (344626443).

The spelling of 140214402 in words is "one hundred forty million, two hundred fourteen thousand, four hundred two".