135531123251410 has 128 divisors (see below), whose sum is σ = 259160850432000. Its totient is φ = 50928935016960.

The previous prime is 135531123251323. The next prime is 135531123251437. The reversal of 135531123251410 is 14152321135531.

It is a super-3 number, since 3×135531123251410³ (a number of 43 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 135531123251410.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1564999291 + ... + 1565085889.

It is an arithmetic number, because the mean of its divisors is an integer number (2024694144000).

Almost surely, 2^{135531123251410} is an apocalyptic number.

135531123251410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135531123251410 is a deficient number, since it is larger than the sum of its proper divisors (123629727180590).

135531123251410 is a wasteful number, since it uses less digits than its factorization.

135531123251410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87296.

The product of its (nonzero) digits is 54000, while the sum is 37.

Adding to 135531123251410 its reverse (14152321135531), we get a palindrome (149683444386941).

The spelling of 135531123251410 in words is "one hundred thirty-five trillion, five hundred thirty-one billion, one hundred twenty-three million, two hundred fifty-one thousand, four hundred ten".