140857753 has 4 divisors (see below), whose sum is σ = 142225408. Its totient is φ = 139490100.

The previous prime is 140857751. The next prime is 140857781. The reversal of 140857753 is 357758041.

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, and also an emirpimes, since its reverse is a distinct semiprime: 357758041 = 347 ⋅1031003.

It is a cyclic number.

It is not a de Polignac number, because 140857753 - 2¹ = 140857751 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140857751) 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, 683673 + ... + 683878.

It is an arithmetic number, because the mean of its divisors is an integer number (35556352).

Almost surely, 2^140857753 is an apocalyptic number.

It is an amenable number.

140857753 is a deficient number, since it is larger than the sum of its proper divisors (1367655).

140857753 is a wasteful number, since it uses less digits than its factorization.

140857753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1367654.

The product of its (nonzero) digits is 117600, while the sum is 40.

The square root of 140857753 is about 11868.3508963967. The cubic root of 140857753 is about 520.3076988071.

The spelling of 140857753 in words is "one hundred forty million, eight hundred fifty-seven thousand, seven hundred fifty-three".