140700774397 has 4 divisors (see below), whose sum is σ = 148977290556. Its totient is φ = 132424258240.

The previous prime is 140700774373. The next prime is 140700774469. The reversal of 140700774397 is 793477007041.

It is a happy number.

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 41396378521 + 99304395876 = 203461^2 + 315126^2 .

It is a cyclic number.

It is not a de Polignac number, because 140700774397 - 2²³ = 140692385789 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140700774397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140700774197) 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, 4138258054 + ... + 4138258087.

It is an arithmetic number, because the mean of its divisors is an integer number (37244322639).

Almost surely, 2^140700774397 is an apocalyptic number.

140700774397 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

140700774397 is a deficient number, since it is larger than the sum of its proper divisors (8276516159).

140700774397 is an equidigital number, since it uses as much as digits as its factorization.

140700774397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8276516158.

The product of its (nonzero) digits is 1037232, while the sum is 49.

The spelling of 140700774397 in words is "one hundred forty billion, seven hundred million, seven hundred seventy-four thousand, three hundred ninety-seven".