140740801 has 2 divisors, whose sum is σ = 140740802. Its totient is φ = 140740800.

The previous prime is 140740793. The next prime is 140740813. The reversal of 140740801 is 108047041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117700801 + 23040000 = 10849^2 + 4800^2 .

It is an emirp because it is prime and its reverse (108047041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140740801 - 2³ = 140740793 is a prime.

It is a super-2 number, since 2×140740801² = 39615946132243202, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (140740891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70370400 + 70370401.

It is an arithmetic number, because the mean of its divisors is an integer number (70370401).

Almost surely, 2^140740801 is an apocalyptic number.

It is an amenable number.

140740801 is a deficient number, since it is larger than the sum of its proper divisors (1).

140740801 is an equidigital number, since it uses as much as digits as its factorization.

140740801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 140740801 is about 11863.4228197430. The cubic root of 140740801 is about 520.1636578067.

Adding to 140740801 its reverse (108047041), we get a palindrome (248787842).

The spelling of 140740801 in words is "one hundred forty million, seven hundred forty thousand, eight hundred one".