135537610003431 has 32 divisors (see below), whose sum is σ = 183851113982976. Its totient is φ = 88807587648000.

The previous prime is 135537610003379. The next prime is 135537610003447. The reversal of 135537610003431 is 134300016735531.

It is a happy number.

It is not a de Polignac number, because 135537610003431 - 2¹¹ = 135537610001383 is a prime.

It is a super-2 number, since 2×135537610003431² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135537610004431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20285091 + ... + 26125851.

It is an arithmetic number, because the mean of its divisors is an integer number (5745347311968).

Almost surely, 2^{135537610003431} is an apocalyptic number.

135537610003431 is a deficient number, since it is larger than the sum of its proper divisors (48313503979545).

135537610003431 is a wasteful number, since it uses less digits than its factorization.

135537610003431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5841463.

The product of its (nonzero) digits is 340200, while the sum is 42.

Adding to 135537610003431 its reverse (134300016735531), we get a palindrome (269837626738962).

The spelling of 135537610003431 in words is "one hundred thirty-five trillion, five hundred thirty-seven billion, six hundred ten million, three thousand, four hundred thirty-one".