140376525349 has 4 divisors (see below), whose sum is σ = 140778750700. Its totient is φ = 139974300000.

The previous prime is 140376525343. The next prime is 140376525353. The reversal of 140376525349 is 943525673041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 88384317025 + 51992208324 = 297295^2 + 228018^2 .

It is a cyclic number.

It is not a de Polignac number, because 140376525349 - 2³⁷ = 2937571877 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 (140376525343) 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, 201112152 + ... + 201112849.

It is an arithmetic number, because the mean of its divisors is an integer number (35194687675).

Almost surely, 2^140376525349 is an apocalyptic number.

It is an amenable number.

140376525349 is a deficient number, since it is larger than the sum of its proper divisors (402225351).

140376525349 is an equidigital number, since it uses as much as digits as its factorization.

140376525349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402225350.

The product of its (nonzero) digits is 2721600, while the sum is 49.

The spelling of 140376525349 in words is "one hundred forty billion, three hundred seventy-six million, five hundred twenty-five thousand, three hundred forty-nine".