140512225 has 48 divisors (see below), whose sum is σ = 214057728. Its totient is φ = 89303040.

The previous prime is 140512213. The next prime is 140512231. The reversal of 140512225 is 522215041.

It is not a de Polignac number, because 140512225 - 2⁹ = 140511713 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140512196 and 140512205.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 216852 + ... + 217498.

It is an arithmetic number, because the mean of its divisors is an integer number (4459536).

Almost surely, 2^140512225 is an apocalyptic number.

It is an amenable number.

140512225 is a deficient number, since it is larger than the sum of its proper divisors (73545503).

140512225 is a wasteful number, since it uses less digits than its factorization.

140512225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754 (or 749 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 140512225 is about 11853.7852604137. The cubic root of 140512225 is about 519.8819073546.

Adding to 140512225 its reverse (522215041), we get a palindrome (662727266).

The spelling of 140512225 in words is "one hundred forty million, five hundred twelve thousand, two hundred twenty-five".