140758901 has 2 divisors, whose sum is σ = 140758902. Its totient is φ = 140758900.

The previous prime is 140758889. The next prime is 140758921. The reversal of 140758901 is 109857041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118243876 + 22515025 = 10874^2 + 4745^2 .

It is a cyclic number.

It is not a de Polignac number, because 140758901 - 2²⁶ = 73650037 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140758921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70379450 + 70379451.

It is an arithmetic number, because the mean of its divisors is an integer number (70379451).

Almost surely, 2^140758901 is an apocalyptic number.

It is an amenable number.

140758901 is a deficient number, since it is larger than the sum of its proper divisors (1).

140758901 is an equidigital number, since it uses as much as digits as its factorization.

140758901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 35.

The square root of 140758901 is about 11864.1856441983. The cubic root of 140758901 is about 520.1859554360.

The spelling of 140758901 in words is "one hundred forty million, seven hundred fifty-eight thousand, nine hundred one".