140420115 has 32 divisors (see below), whose sum is σ = 272332800. Its totient is φ = 68081760.

The previous prime is 140420107. The next prime is 140420191. The reversal of 140420115 is 511024041.

It is not a de Polignac number, because 140420115 - 2³ = 140420107 is a prime.

It is a super-2 number, since 2×140420115² = 39435617393226450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45795 + ... + 48764.

It is an arithmetic number, because the mean of its divisors is an integer number (8510400).

Almost surely, 2^140420115 is an apocalyptic number.

140420115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

140420115 is a deficient number, since it is larger than the sum of its proper divisors (131912685).

140420115 is a wasteful number, since it uses less digits than its factorization.

140420115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94584 (or 94578 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 140420115 is about 11849.8993666613. The cubic root of 140420115 is about 519.7682831013.

Adding to 140420115 its reverse (511024041), we get a palindrome (651444156).

The spelling of 140420115 in words is "one hundred forty million, four hundred twenty thousand, one hundred fifteen".