140254465 has 16 divisors (see below), whose sum is σ = 183810816. Its totient is φ = 102110400.

The previous prime is 140254463. The next prime is 140254501. The reversal of 140254465 is 564452041.

It is a happy number.

It is not a de Polignac number, because 140254465 - 2¹ = 140254463 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140254463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10581 + ... + 19810.

It is an arithmetic number, because the mean of its divisors is an integer number (11488176).

Almost surely, 2^140254465 is an apocalyptic number.

It is an amenable number.

140254465 is a deficient number, since it is larger than the sum of its proper divisors (43556351).

140254465 is a wasteful number, since it uses less digits than its factorization.

140254465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30480.

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 140254465 is about 11842.9077932744. The cubic root of 140254465 is about 519.5638169183.

The spelling of 140254465 in words is "one hundred forty million, two hundred fifty-four thousand, four hundred sixty-five".