140671137379 has 16 divisors (see below), whose sum is σ = 149410910880. Its totient is φ = 131983695360.

The previous prime is 140671137319. The next prime is 140671137427. The reversal of 140671137379 is 973731176041.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 140671137379 - 2¹⁹ = 140670613091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140671137319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7215657 + ... + 7235125.

It is an arithmetic number, because the mean of its divisors is an integer number (9338181930).

Almost surely, 2^140671137379 is an apocalyptic number.

140671137379 is a deficient number, since it is larger than the sum of its proper divisors (8739773501).

140671137379 is a wasteful number, since it uses less digits than its factorization.

140671137379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20790.

The product of its (nonzero) digits is 666792, while the sum is 49.

The spelling of 140671137379 in words is "one hundred forty billion, six hundred seventy-one million, one hundred thirty-seven thousand, three hundred seventy-nine".