140263915 has 8 divisors (see below), whose sum is σ = 183618288. Its totient is φ = 102010080.

The previous prime is 140263901. The next prime is 140263919. The reversal of 140263915 is 519362041.

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

It is not a de Polignac number, because 140263915 - 2¹¹ = 140261867 is a prime.

It is a super-2 number, since 2×140263915² = 39347931702254450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140263919) 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, 1275072 + ... + 1275181.

It is an arithmetic number, because the mean of its divisors is an integer number (22952286).

Almost surely, 2^140263915 is an apocalyptic number.

140263915 is a deficient number, since it is larger than the sum of its proper divisors (43354373).

140263915 is a wasteful number, since it uses less digits than its factorization.

140263915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2550269.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 140263915 is about 11843.3067595161. The cubic root of 140263915 is about 519.5754856325.

The spelling of 140263915 in words is "one hundred forty million, two hundred sixty-three thousand, nine hundred fifteen".