140757077 has 4 divisors (see below), whose sum is σ = 140908236. Its totient is φ = 140605920.

The previous prime is 140757049. The next prime is 140757083. The reversal of 140757077 is 770757041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 770757041 = 29 ⋅26577829.

It can be written as a sum of positive squares in 2 ways, for example, as 73942801 + 66814276 = 8599^2 + 8174^2 .

It is a cyclic number.

It is not a de Polignac number, because 140757077 - 2⁶ = 140757013 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140757077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140757037) 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, 74174 + ... + 76047.

It is an arithmetic number, because the mean of its divisors is an integer number (35227059).

Almost surely, 2^140757077 is an apocalyptic number.

It is an amenable number.

140757077 is a deficient number, since it is larger than the sum of its proper divisors (151159).

140757077 is an equidigital number, since it uses as much as digits as its factorization.

140757077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151158.

The product of its (nonzero) digits is 48020, while the sum is 38.

The square root of 140757077 is about 11864.1087739451. The cubic root of 140757077 is about 520.1837085129.

The spelling of 140757077 in words is "one hundred forty million, seven hundred fifty-seven thousand, seventy-seven".