121586147340 has 48 divisors (see below), whose sum is σ = 389075672832. Its totient is φ = 27791119296.

The previous prime is 121586147327. The next prime is 121586147351. The reversal of 121586147340 is 43741685121.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 121586147292 and 121586147301.

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, 144744994 + ... + 144745833.

It is an arithmetic number, because the mean of its divisors is an integer number (8105743184).

Almost surely, 2^121586147340 is an apocalyptic number.

121586147340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121586147340 is an abundant number, since it is smaller than the sum of its proper divisors (267489525492).

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

121586147340 is a wasteful number, since it uses less digits than its factorization.

121586147340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289490846 (or 289490844 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The spelling of 121586147340 in words is "one hundred twenty-one billion, five hundred eighty-six million, one hundred forty-seven thousand, three hundred forty".