140113145 has 16 divisors (see below), whose sum is σ = 171072000. Its totient is φ = 110149248.

The previous prime is 140113139. The next prime is 140113151. The reversal of 140113145 is 541311041.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (140113139) and next prime (140113151).

It is not a de Polignac number, because 140113145 - 2⁶ = 140113081 is a prime.

It is a Curzon number.

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, 78776 + ... + 80534.

It is an arithmetic number, because the mean of its divisors is an integer number (10692000).

Almost surely, 2^140113145 is an apocalyptic number.

It is an amenable number.

140113145 is a deficient number, since it is larger than the sum of its proper divisors (30958855).

140113145 is a wasteful number, since it uses less digits than its factorization.

140113145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2032.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 140113145 is about 11836.9398494712. The cubic root of 140113145 is about 519.3892546010.

Adding to 140113145 its reverse (541311041), we get a palindrome (681424186).

The spelling of 140113145 in words is "one hundred forty million, one hundred thirteen thousand, one hundred forty-five".