140213919 has 8 divisors (see below), whose sum is σ = 188190592. Its totient is φ = 92856600.

The previous prime is 140213873. The next prime is 140213963. The reversal of 140213919 is 919312041.

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

It is not a de Polignac number, because 140213919 - 2⁸ = 140213663 is a prime.

It is a super-2 number, since 2×140213919² = 39319886162677122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140213999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154309 + ... + 155214.

It is an arithmetic number, because the mean of its divisors is an integer number (23523824).

Almost surely, 2^140213919 is an apocalyptic number.

140213919 is a deficient number, since it is larger than the sum of its proper divisors (47976673).

140213919 is a wasteful number, since it uses less digits than its factorization.

140213919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309677.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 140213919 is about 11841.1958433260. The cubic root of 140213919 is about 519.5137453933.

The spelling of 140213919 in words is "one hundred forty million, two hundred thirteen thousand, nine hundred nineteen".