140215120 has 40 divisors (see below), whose sum is σ = 326514816. Its totient is φ = 55997568.

The previous prime is 140215111. The next prime is 140215171. The reversal of 140215120 is 21512041.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×140215120² = 39320559753228800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 140215094 and 140215103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77749 + ... + 79531.

Almost surely, 2^140215120 is an apocalyptic number.

140215120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140215120 is an abundant number, since it is smaller than the sum of its proper divisors (186299696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140215120 is a wasteful number, since it uses less digits than its factorization.

140215120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2779 (or 2773 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 140215120 is about 11841.2465560008. The cubic root of 140215120 is about 519.5152286845.

Adding to 140215120 its reverse (21512041), we get a palindrome (161727161).

The spelling of 140215120 in words is "one hundred forty million, two hundred fifteen thousand, one hundred twenty".