135401453131 has 4 divisors (see below), whose sum is σ = 154744517872. Its totient is φ = 116058388392.

The previous prime is 135401453119. The next prime is 135401453179. The reversal of 135401453131 is 131354104531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 135401453131 - 2⁹ = 135401452619 is a prime.

It is a super-2 number, since 2×135401453131² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 135401453093 and 135401453102.

It is not an unprimeable number, because it can be changed into a prime (135401453101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9671532360 + ... + 9671532373.

It is an arithmetic number, because the mean of its divisors is an integer number (38686129468).

Almost surely, 2^135401453131 is an apocalyptic number.

135401453131 is a deficient number, since it is larger than the sum of its proper divisors (19343064741).

135401453131 is an equidigital number, since it uses as much as digits as its factorization.

135401453131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19343064740.

The product of its (nonzero) digits is 10800, while the sum is 31.

Adding to 135401453131 its reverse (131354104531), we get a palindrome (266755557662).

The spelling of 135401453131 in words is "one hundred thirty-five billion, four hundred one million, four hundred fifty-three thousand, one hundred thirty-one".