140421195 has 48 divisors (see below), whose sum is σ = 257886720. Its totient is φ = 73268064.

The previous prime is 140421181. The next prime is 140421199. The reversal of 140421195 is 591124041.

It is not a de Polignac number, because 140421195 - 2⁵ = 140421163 is a prime.

It is a super-2 number, since 2×140421195² = 39436224010456050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (140421199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 55876 + ... + 58334.

It is an arithmetic number, because the mean of its divisors is an integer number (5372640).

Almost surely, 2^140421195 is an apocalyptic number.

140421195 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

140421195 is a deficient number, since it is larger than the sum of its proper divisors (117465525).

140421195 is an equidigital number, since it uses as much as digits as its factorization.

140421195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2526 (or 2514 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 140421195 is about 11849.9449365809. The cubic root of 140421195 is about 519.7696156462.

The spelling of 140421195 in words is "one hundred forty million, four hundred twenty-one thousand, one hundred ninety-five".