140641415 has 8 divisors (see below), whose sum is σ = 171147168. Its totient is φ = 110928160.

The previous prime is 140641411. The next prime is 140641429. The reversal of 140641415 is 514146041.

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

It is not a de Polignac number, because 140641415 - 2² = 140641411 is a prime.

It is a super-2 number, since 2×140641415² = 39560015226404450, 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 (140641411) 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, 197732 + ... + 198441.

It is an arithmetic number, because the mean of its divisors is an integer number (21393396).

Almost surely, 2^140641415 is an apocalyptic number.

140641415 is a deficient number, since it is larger than the sum of its proper divisors (30505753).

140641415 is an equidigital number, since it uses as much as digits as its factorization.

140641415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396249.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 140641415 is about 11859.2333226056. The cubic root of 140641415 is about 520.0411887985.

Adding to 140641415 its reverse (514146041), we get a palindrome (654787456).

The spelling of 140641415 in words is "one hundred forty million, six hundred forty-one thousand, four hundred fifteen".