140257011 has 8 divisors (see below), whose sum is σ = 187685584. Its totient is φ = 93166560.

The previous prime is 140257003. The next prime is 140257037. The reversal of 140257011 is 110752041.

It is a happy number.

140257011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 140257011 - 2³ = 140257003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140257211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83560 + ... + 85221.

It is an arithmetic number, because the mean of its divisors is an integer number (23460698).

Almost surely, 2^140257011 is an apocalyptic number.

140257011 is a deficient number, since it is larger than the sum of its proper divisors (47428573).

140257011 is a wasteful number, since it uses less digits than its factorization.

140257011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169061.

The product of its (nonzero) digits is 280, while the sum is 21.

The square root of 140257011 is about 11843.0152832798. The cubic root of 140257011 is about 519.5669607314.

The spelling of 140257011 in words is "one hundred forty million, two hundred fifty-seven thousand, eleven".