131426101 has 4 divisors (see below), whose sum is σ = 133009632. Its totient is φ = 129842572.

The previous prime is 131426093. The next prime is 131426107. The reversal of 131426101 is 101624131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 101624131 = 7 ⋅14517733.

It is a cyclic number.

It is not a de Polignac number, because 131426101 - 2³ = 131426093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131426107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 791641 + ... + 791806.

It is an arithmetic number, because the mean of its divisors is an integer number (33252408).

Almost surely, 2^131426101 is an apocalyptic number.

It is an amenable number.

131426101 is a deficient number, since it is larger than the sum of its proper divisors (1583531).

131426101 is an equidigital number, since it uses as much as digits as its factorization.

131426101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1583530.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 131426101 is about 11464.1223388448. The cubic root of 131426101 is about 508.4253637072.

The spelling of 131426101 in words is "one hundred thirty-one million, four hundred twenty-six thousand, one hundred one".