140148280857 has 32 divisors (see below), whose sum is σ = 213280300800. Its totient is φ = 81094072320.

The previous prime is 140148280817. The next prime is 140148280859. The reversal of 140148280857 is 758082841041.

It is not a de Polignac number, because 140148280857 - 2²⁴ = 140131503641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140148280859) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 594732 + ... + 796242.

It is an arithmetic number, because the mean of its divisors is an integer number (6665009400).

Almost surely, 2^140148280857 is an apocalyptic number.

140148280857 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

140148280857 is a deficient number, since it is larger than the sum of its proper divisors (73132019943).

140148280857 is a wasteful number, since it uses less digits than its factorization.

140148280857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202593.

The product of its (nonzero) digits is 573440, while the sum is 48.

The spelling of 140148280857 in words is "one hundred forty billion, one hundred forty-eight million, two hundred eighty thousand, eight hundred fifty-seven".