134131421000 has 32 divisors (see below), whose sum is σ = 313867527480. Its totient is φ = 53652568000.

The previous prime is 134131420991. The next prime is 134131421027. The reversal of 134131421000 is 124131431.

It can be written as a sum of positive squares in 4 ways, for example, as 32034556324 + 102096864676 = 178982^2 + 319526^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 67064711 + ... + 67066710.

Almost surely, 2^134131421000 is an apocalyptic number.

134131421000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134131421000 is an abundant number, since it is smaller than the sum of its proper divisors (179736106480).

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

134131421000 is a wasteful number, since it uses less digits than its factorization.

134131421000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134131442 (or 134131428 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 134131421000 its reverse (124131431), we get a palindrome (134255552431).

The spelling of 134131421000 in words is "one hundred thirty-four billion, one hundred thirty-one million, four hundred twenty-one thousand".