140373061 has 2 divisors, whose sum is σ = 140373062. Its totient is φ = 140373060.

The previous prime is 140373059. The next prime is 140373091. The reversal of 140373061 is 160373041.

140373061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130644900 + 9728161 = 11430^2 + 3119^2 .

It is an emirp because it is prime and its reverse (160373041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140373061 - 2¹ = 140373059 is a prime.

Together with 140373059, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140373001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70186530 + 70186531.

It is an arithmetic number, because the mean of its divisors is an integer number (70186531).

Almost surely, 2^140373061 is an apocalyptic number.

It is an amenable number.

140373061 is a deficient number, since it is larger than the sum of its proper divisors (1).

140373061 is an equidigital number, since it uses as much as digits as its factorization.

140373061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 140373061 is about 11847.9137826032. The cubic root of 140373061 is about 519.7102194611.

The spelling of 140373061 in words is "one hundred forty million, three hundred seventy-three thousand, sixty-one".