139407840001 has 4 divisors (see below), whose sum is σ = 139408896852. Its totient is φ = 139406783152.

The previous prime is 139407839999. The next prime is 139407840023. The reversal of 139407840001 is 100048704931.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 8826790401 + 130581049600 = 93951^2 + 361360^2 .

It is a cyclic number.

It is not a de Polignac number, because 139407840001 - 2¹ = 139407839999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139407820001) 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, 296686 + ... + 605671.

It is an arithmetic number, because the mean of its divisors is an integer number (34852224213).

Almost surely, 2^139407840001 is an apocalyptic number.

It is an amenable number.

139407840001 is a deficient number, since it is larger than the sum of its proper divisors (1056851).

139407840001 is an equidigital number, since it uses as much as digits as its factorization.

139407840001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056850.

The product of its (nonzero) digits is 24192, while the sum is 37.

The spelling of 139407840001 in words is "one hundred thirty-nine billion, four hundred seven million, eight hundred forty thousand, one".