140997015 has 36 divisors (see below), whose sum is σ = 255525816. Its totient is φ = 71916768.

The previous prime is 140997007. The next prime is 140997019. The reversal of 140997015 is 510799041.

It is not a de Polignac number, because 140997015 - 2³ = 140997007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140997019) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 20844 + ... + 26766.

Almost surely, 2^140997015 is an apocalyptic number.

140997015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

140997015 is a deficient number, since it is larger than the sum of its proper divisors (114528801).

140997015 is a wasteful number, since it uses less digits than its factorization.

140997015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5980 (or 5954 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 36.

The square root of 140997015 is about 11874.2163951985. The cubic root of 140997015 is about 520.4791134031.

The spelling of 140997015 in words is "one hundred forty million, nine hundred ninety-seven thousand, fifteen".