140463419 has 4 divisors (see below), whose sum is σ = 142766160. Its totient is φ = 138160680.

The previous prime is 140463403. The next prime is 140463431. The reversal of 140463419 is 914364041.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 140463419 - 2⁴ = 140463403 is a prime.

It is a super-2 number, since 2×140463419² = 39459944154339122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140463019) 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, 1151279 + ... + 1151400.

It is an arithmetic number, because the mean of its divisors is an integer number (35691540).

Almost surely, 2^140463419 is an apocalyptic number.

140463419 is a deficient number, since it is larger than the sum of its proper divisors (2302741).

140463419 is an equidigital number, since it uses as much as digits as its factorization.

140463419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2302740.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 140463419 is about 11851.7264143246. The cubic root of 140463419 is about 519.8217078603.

The spelling of 140463419 in words is "one hundred forty million, four hundred sixty-three thousand, four hundred nineteen".