135880437287 has 16 divisors (see below), whose sum is σ = 163378996032. Its totient is φ = 110557198080.

The previous prime is 135880437263. The next prime is 135880437307. The reversal of 135880437287 is 782734088531.

It is not a de Polignac number, because 135880437287 - 2¹⁴ = 135880420903 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135880437227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6387368 + ... + 6408605.

It is an arithmetic number, because the mean of its divisors is an integer number (10211187252).

Almost surely, 2^135880437287 is an apocalyptic number.

135880437287 is a deficient number, since it is larger than the sum of its proper divisors (27498558745).

135880437287 is a wasteful number, since it uses less digits than its factorization.

135880437287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12796058.

The product of its (nonzero) digits is 9031680, while the sum is 56.

The spelling of 135880437287 in words is "one hundred thirty-five billion, eight hundred eighty million, four hundred thirty-seven thousand, two hundred eighty-seven".