140045121407 has 2 divisors, whose sum is σ = 140045121408. Its totient is φ = 140045121406.

The previous prime is 140045121371. The next prime is 140045121481. The reversal of 140045121407 is 704121540041.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140045121407 - 2³⁰ = 138971379583 is a prime.

It is a super-2 number, since 2×140045121407² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 140045121407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140045121487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70022560703 + 70022560704.

It is an arithmetic number, because the mean of its divisors is an integer number (70022560704).

Almost surely, 2^140045121407 is an apocalyptic number.

140045121407 is a deficient number, since it is larger than the sum of its proper divisors (1).

140045121407 is an equidigital number, since it uses as much as digits as its factorization.

140045121407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4480, while the sum is 29.

Adding to 140045121407 its reverse (704121540041), we get a palindrome (844166661448).

The spelling of 140045121407 in words is "one hundred forty billion, forty-five million, one hundred twenty-one thousand, four hundred seven".