135877501 has 4 divisors (see below), whose sum is σ = 136777504. Its totient is φ = 134977500.

The previous prime is 135877477. The next prime is 135877529. The reversal of 135877501 is 105778531.

135877501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 135877501 - 2⁹ = 135876989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135877901) 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, 449775 + ... + 450076.

It is an arithmetic number, because the mean of its divisors is an integer number (34194376).

Almost surely, 2^135877501 is an apocalyptic number.

It is an amenable number.

135877501 is a deficient number, since it is larger than the sum of its proper divisors (900003).

135877501 is an equidigital number, since it uses as much as digits as its factorization.

135877501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900002.

The product of its (nonzero) digits is 29400, while the sum is 37.

The square root of 135877501 is about 11656.6505051837. The cubic root of 135877501 is about 514.1018700722.

The spelling of 135877501 in words is "one hundred thirty-five million, eight hundred seventy-seven thousand, five hundred one".