135531337970 has 32 divisors (see below), whose sum is σ = 278899987968. Its totient is φ = 46452443328.

The previous prime is 135531337969. The next prime is 135531337973. The reversal of 135531337970 is 79733135531.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (135531337973) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 108629 + ... + 531848.

It is an arithmetic number, because the mean of its divisors is an integer number (8715624624).

Almost surely, 2^135531337970 is an apocalyptic number.

135531337970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135531337970 is an abundant number, since it is smaller than the sum of its proper divisors (143368649998).

135531337970 is a wasteful number, since it uses less digits than its factorization.

135531337970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643514.

The product of its (nonzero) digits is 893025, while the sum is 47.

The spelling of 135531337970 in words is "one hundred thirty-five billion, five hundred thirty-one million, three hundred thirty-seven thousand, nine hundred seventy".