140451352551439 has 4 divisors (see below), whose sum is σ = 140451575280280. Its totient is φ = 140451129822600.

The previous prime is 140451352551421. The next prime is 140451352551487. The reversal of 140451352551439 is 934155253154041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 140451352551439 - 2²⁷ = 140451218333711 is a prime.

It is a super-2 number, since 2×140451352551439² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140451352551409) 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, 110415837 + ... + 111680614.

It is an arithmetic number, because the mean of its divisors is an integer number (35112893820070).

Almost surely, 2^{140451352551439} is an apocalyptic number.

140451352551439 is a deficient number, since it is larger than the sum of its proper divisors (222728841).

140451352551439 is an equidigital number, since it uses as much as digits as its factorization.

140451352551439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222728840.

The product of its (nonzero) digits is 6480000, while the sum is 52.

The spelling of 140451352551439 in words is "one hundred forty trillion, four hundred fifty-one billion, three hundred fifty-two million, five hundred fifty-one thousand, four hundred thirty-nine".