135690002570 has 16 divisors (see below), whose sum is σ = 244246228200. Its totient is φ = 54275062464.

The previous prime is 135690002561. The next prime is 135690002599. The reversal of 135690002570 is 75200096531.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 109804088689 + 25885913881 = 331367^2 + 160891^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 967844 + ... + 1099136.

Almost surely, 2^135690002570 is an apocalyptic number.

135690002570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135690002570 is a deficient number, since it is larger than the sum of its proper divisors (108556225630).

135690002570 is a wasteful number, since it uses less digits than its factorization.

135690002570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234649.

The product of its (nonzero) digits is 56700, while the sum is 38.

The spelling of 135690002570 in words is "one hundred thirty-five billion, six hundred ninety million, two thousand, five hundred seventy".