139154068255 has 16 divisors (see below), whose sum is σ = 168096638880. Its totient is φ = 110583779328.

The previous prime is 139154068253. The next prime is 139154068283. The reversal of 139154068255 is 552860451931.

It is a cyclic number.

It is not a de Polignac number, because 139154068255 - 2¹ = 139154068253 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 139154068199 and 139154068208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139154068253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 553531 + ... + 764659.

It is an arithmetic number, because the mean of its divisors is an integer number (10506039930).

Almost surely, 2^139154068255 is an apocalyptic number.

139154068255 is a deficient number, since it is larger than the sum of its proper divisors (28942570625).

139154068255 is a wasteful number, since it uses less digits than its factorization.

139154068255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212010.

The product of its (nonzero) digits is 1296000, while the sum is 49.

The spelling of 139154068255 in words is "one hundred thirty-nine billion, one hundred fifty-four million, sixty-eight thousand, two hundred fifty-five".