139827810454 has 8 divisors (see below), whose sum is σ = 209743334280. Its totient is φ = 69913365696.

The previous prime is 139827810433. The next prime is 139827810497. The reversal of 139827810454 is 454018728931.

139827810454 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×139827810454² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 270957 + ... + 594199.

It is an arithmetic number, because the mean of its divisors is an integer number (26217916785).

Almost surely, 2^139827810454 is an apocalyptic number.

139827810454 is a deficient number, since it is larger than the sum of its proper divisors (69915523826).

139827810454 is a wasteful number, since it uses less digits than its factorization.

139827810454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539534.

The product of its (nonzero) digits is 1935360, while the sum is 52.

The spelling of 139827810454 in words is "one hundred thirty-nine billion, eight hundred twenty-seven million, eight hundred ten thousand, four hundred fifty-four".