135400121410 has 8 divisors (see below), whose sum is σ = 243720218556. Its totient is φ = 54160048560.

The previous prime is 135400121399. The next prime is 135400121471. The reversal of 135400121410 is 14121004531.

It can be written as a sum of positive squares in 2 ways, for example, as 135399713089 + 408321 = 367967^2 + 639^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6770006061 + ... + 6770006080.

Almost surely, 2^135400121410 is an apocalyptic number.

135400121410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135400121410 is a deficient number, since it is larger than the sum of its proper divisors (108320097146).

135400121410 is a wasteful number, since it uses less digits than its factorization.

135400121410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13540012148.

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 135400121410 its reverse (14121004531), we get a palindrome (149521125941).

The spelling of 135400121410 in words is "one hundred thirty-five billion, four hundred million, one hundred twenty-one thousand, four hundred ten".