135007431 has 8 divisors (see below), whose sum is σ = 193856880. Its totient is φ = 83081472.

The previous prime is 135007429. The next prime is 135007451. The reversal of 135007431 is 134700531.

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

It is not a de Polignac number, because 135007431 - 2¹ = 135007429 is a prime.

It is a super-2 number, since 2×135007431² = 36454012850439522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135007451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1730826 + ... + 1730903.

It is an arithmetic number, because the mean of its divisors is an integer number (24232110).

Almost surely, 2^135007431 is an apocalyptic number.

135007431 is a deficient number, since it is larger than the sum of its proper divisors (58849449).

135007431 is a wasteful number, since it uses less digits than its factorization.

135007431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3461745.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 135007431 is about 11619.2698135468. The cubic root of 135007431 is about 513.0021962979.

Adding to 135007431 its reverse (134700531), we get a palindrome (269707962).

The spelling of 135007431 in words is "one hundred thirty-five million, seven thousand, four hundred thirty-one".