135555970 has 16 divisors (see below), whose sum is σ = 266182848. Its totient is φ = 49293040.

The previous prime is 135555961. The next prime is 135555983. The reversal of 135555970 is 79555531.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 616054 + ... + 616273.

It is an arithmetic number, because the mean of its divisors is an integer number (16636428).

Almost surely, 2^135555970 is an apocalyptic number.

135555970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135555970 is a deficient number, since it is larger than the sum of its proper divisors (130626878).

135555970 is a wasteful number, since it uses less digits than its factorization.

135555970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1232345.

The product of its (nonzero) digits is 118125, while the sum is 40.

The square root of 135555970 is about 11642.8505959666. The cubic root of 135555970 is about 513.6960382424.

The spelling of 135555970 in words is "one hundred thirty-five million, five hundred fifty-five thousand, nine hundred seventy".