144691076138 has 16 divisors (see below), whose sum is σ = 248049282624. Its totient is φ = 62008601760.

The previous prime is 144691076099. The next prime is 144691076161. The reversal of 144691076138 is 831670196441.

It is a happy number.

It is a super-3 number, since 3×144691076138³ (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 396206 + ... + 668102.

It is an arithmetic number, because the mean of its divisors is an integer number (15503080164).

Almost surely, 2^144691076138 is an apocalyptic number.

144691076138 is a deficient number, since it is larger than the sum of its proper divisors (103358206486).

144691076138 is a wasteful number, since it uses less digits than its factorization.

144691076138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309917.

The product of its (nonzero) digits is 870912, while the sum is 50.

The spelling of 144691076138 in words is "one hundred forty-four billion, six hundred ninety-one million, seventy-six thousand, one hundred thirty-eight".