135980787 has 16 divisors (see below), whose sum is σ = 187545600. Its totient is φ = 87547200.

The previous prime is 135980783. The next prime is 135980791. The reversal of 135980787 is 787089531.

It is an interprime number because it is at equal distance from previous prime (135980783) and next prime (135980791).

It is not a de Polignac number, because 135980787 - 2² = 135980783 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135980783) 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, 54487 + ... + 56927.

It is an arithmetic number, because the mean of its divisors is an integer number (11721600).

Almost surely, 2^135980787 is an apocalyptic number.

135980787 is a deficient number, since it is larger than the sum of its proper divisors (51564813).

135980787 is a wasteful number, since it uses less digits than its factorization.

135980787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3074.

The product of its (nonzero) digits is 423360, while the sum is 48.

The square root of 135980787 is about 11661.0800100162. The cubic root of 135980787 is about 514.2321003082.

The spelling of 135980787 in words is "one hundred thirty-five million, nine hundred eighty thousand, seven hundred eighty-seven".