140125515 has 16 divisors (see below), whose sum is σ = 224386848. Its totient is φ = 74671616.

The previous prime is 140125463. The next prime is 140125523. The reversal of 140125515 is 515521041.

It is a cyclic number.

It is not a de Polignac number, because 140125515 - 2⁶ = 140125451 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19267 + ... + 25523.

It is an arithmetic number, because the mean of its divisors is an integer number (14024178).

Almost surely, 2^140125515 is an apocalyptic number.

140125515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

140125515 is a deficient number, since it is larger than the sum of its proper divisors (84261333).

140125515 is a wasteful number, since it uses less digits than its factorization.

140125515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7758.

The product of its (nonzero) digits is 1000, while the sum is 24.

The square root of 140125515 is about 11837.4623547448. The cubic root of 140125515 is about 519.4045390484.

Adding to 140125515 its reverse (515521041), we get a palindrome (655646556).

The spelling of 140125515 in words is "one hundred forty million, one hundred twenty-five thousand, five hundred fifteen".