135262515 has 16 divisors (see below), whose sum is σ = 220089600. Its totient is φ = 70916832.

The previous prime is 135262499. The next prime is 135262531. The reversal of 135262515 is 515262531.

It is a happy number.

135262515 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (135262499) and next prime (135262531).

It is not a de Polignac number, because 135262515 - 2⁴ = 135262499 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75535 + ... + 77304.

It is an arithmetic number, because the mean of its divisors is an integer number (13755600).

Almost surely, 2^135262515 is an apocalyptic number.

135262515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

135262515 is a deficient number, since it is larger than the sum of its proper divisors (84827085).

135262515 is a wasteful number, since it uses less digits than its factorization.

135262515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152906.

The product of its digits is 9000, while the sum is 30.

The square root of 135262515 is about 11630.2413990424. The cubic root of 135262515 is about 513.3250830274.

The spelling of 135262515 in words is "one hundred thirty-five million, two hundred sixty-two thousand, five hundred fifteen".