140265461 has 4 divisors (see below), whose sum is σ = 160303392. Its totient is φ = 120227532.

The previous prime is 140265449. The next prime is 140265481. The reversal of 140265461 is 164562041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 140265461 - 2⁶ = 140265397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140265481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10018955 + ... + 10018968.

It is an arithmetic number, because the mean of its divisors is an integer number (40075848).

Almost surely, 2^140265461 is an apocalyptic number.

It is an amenable number.

140265461 is a deficient number, since it is larger than the sum of its proper divisors (20037931).

140265461 is an equidigital number, since it uses as much as digits as its factorization.

140265461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20037930.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 140265461 is about 11843.3720282697. The cubic root of 140265461 is about 519.5773945596.

The spelling of 140265461 in words is "one hundred forty million, two hundred sixty-five thousand, four hundred sixty-one".