140419387 has 4 divisors (see below), whose sum is σ = 141313936. Its totient is φ = 139524840.

The previous prime is 140419379. The next prime is 140419423. The reversal of 140419387 is 783914041.

140419387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 140419387 - 2³ = 140419379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140419087) 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, 447039 + ... + 447352.

It is an arithmetic number, because the mean of its divisors is an integer number (35328484).

Almost surely, 2^140419387 is an apocalyptic number.

140419387 is a deficient number, since it is larger than the sum of its proper divisors (894549).

140419387 is an equidigital number, since it uses as much as digits as its factorization.

140419387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894548.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 140419387 is about 11849.8686490611. The cubic root of 140419387 is about 519.7673848635.

The spelling of 140419387 in words is "one hundred forty million, four hundred nineteen thousand, three hundred eighty-seven".