121134140340 has 48 divisors (see below), whose sum is σ = 339481618560. Its totient is φ = 32273292160.

The previous prime is 121134140293. The next prime is 121134140381. The reversal of 121134140340 is 43041431121.

It is a self number, because there is not a number n which added to its sum of digits gives 121134140340.

It is a congruent number.

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, 843696 + ... + 976775.

It is an arithmetic number, because the mean of its divisors is an integer number (7072533720).

Almost surely, 2^121134140340 is an apocalyptic number.

121134140340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121134140340 is an abundant number, since it is smaller than the sum of its proper divisors (218347478220).

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

121134140340 is a wasteful number, since it uses less digits than its factorization.

121134140340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1821592 (or 1821590 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 121134140340 its reverse (43041431121), we get a palindrome (164175571461).

The spelling of 121134140340 in words is "one hundred twenty-one billion, one hundred thirty-four million, one hundred forty thousand, three hundred forty".