140172419 has 8 divisors (see below), whose sum is σ = 147912480. Its totient is φ = 132569536.

The previous prime is 140172413. The next prime is 140172427. The reversal of 140172419 is 914271041.

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

It is a cyclic number.

It is not a de Polignac number, because 140172419 - 2²⁰ = 139123843 is a prime.

It is a super-2 number, since 2×140172419² = 39296614096623122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140172391 and 140172400.

It is not an unprimeable number, because it can be changed into a prime (140172413) 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 7 ways as a sum of consecutive naturals, for example, 32192 + ... + 36285.

It is an arithmetic number, because the mean of its divisors is an integer number (18489060).

Almost surely, 2^140172419 is an apocalyptic number.

140172419 is a deficient number, since it is larger than the sum of its proper divisors (7740061).

140172419 is an equidigital number, since it uses as much as digits as its factorization.

140172419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68589.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 140172419 is about 11839.4433568475. The cubic root of 140172419 is about 519.4624857466.

The spelling of 140172419 in words is "one hundred forty million, one hundred seventy-two thousand, four hundred nineteen".