131670147421 has 8 divisors (see below), whose sum is σ = 142346106080. Its totient is φ = 121368783888.

The previous prime is 131670147409. The next prime is 131670147439. The reversal of 131670147421 is 124741076131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131670147421 - 2³¹ = 129522663773 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131670147461) 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 7 ways as a sum of consecutive naturals, for example, 93648051 + ... + 93649456.

It is an arithmetic number, because the mean of its divisors is an integer number (17793263260).

Almost surely, 2^131670147421 is an apocalyptic number.

It is an amenable number.

131670147421 is a deficient number, since it is larger than the sum of its proper divisors (10675958659).

131670147421 is a wasteful number, since it uses less digits than its factorization.

131670147421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187297563.

The product of its (nonzero) digits is 28224, while the sum is 37.

The spelling of 131670147421 in words is "one hundred thirty-one billion, six hundred seventy million, one hundred forty-seven thousand, four hundred twenty-one".