1240144330134 has 32 divisors (see below), whose sum is σ = 2547301063680. Its totient is φ = 402351452000.

The previous prime is 1240144330049. The next prime is 1240144330153. The reversal of 1240144330134 is 4310334410421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17306982 + ... + 17378489.

It is an arithmetic number, because the mean of its divisors is an integer number (79603158240).

Almost surely, 2^{1240144330134} is an apocalyptic number.

1240144330134 is an abundant number, since it is smaller than the sum of its proper divisors (1307156733546).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1240144330134 is a wasteful number, since it uses less digits than its factorization.

1240144330134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34685636.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 1240144330134 its reverse (4310334410421), we get a palindrome (5550478740555).

The spelling of 1240144330134 in words is "one trillion, two hundred forty billion, one hundred forty-four million, three hundred thirty thousand, one hundred thirty-four".