131144414004 has 36 divisors (see below), whose sum is σ = 339589401060. Its totient is φ = 42648589440.

The previous prime is 131144413969. The next prime is 131144414029. The reversal of 131144414004 is 400414441131.

It can be written as a sum of positive squares in 2 ways, for example, as 3408224400 + 127736189604 = 58380^2 + 357402^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44424139 + ... + 44427090.

Almost surely, 2^131144414004 is an apocalyptic number.

It is an amenable number.

131144414004 is an abundant number, since it is smaller than the sum of its proper divisors (208444987056).

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

131144414004 is a wasteful number, since it uses less digits than its factorization.

131144414004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88851280 (or 88851275 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 131144414004 its reverse (400414441131), we get a palindrome (531558855135).

The spelling of 131144414004 in words is "one hundred thirty-one billion, one hundred forty-four million, four hundred fourteen thousand, four".