135331515 has 48 divisors (see below), whose sum is σ = 257976576. Its totient is φ = 65083200.

The previous prime is 135331513. The next prime is 135331519. The reversal of 135331515 is 515133531.

It is not a de Polignac number, because 135331515 - 2¹ = 135331513 is a prime.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (135331513) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 63802 + ... + 65888.

It is an arithmetic number, because the mean of its divisors is an integer number (5374512).

Almost surely, 2^135331515 is an apocalyptic number.

135331515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

135331515 is a deficient number, since it is larger than the sum of its proper divisors (122645061).

135331515 is a wasteful number, since it uses less digits than its factorization.

135331515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2240 (or 2237 counting only the distinct ones).

The product of its digits is 3375, while the sum is 27.

The square root of 135331515 is about 11633.2074252976. The cubic root of 135331515 is about 513.4123538423.

The spelling of 135331515 in words is "one hundred thirty-five million, three hundred thirty-one thousand, five hundred fifteen".