136357988 has 36 divisors (see below), whose sum is σ = 264459888. Its totient is φ = 61457760.

The previous prime is 136357957. The next prime is 136357993. The reversal of 136357988 is 889753631.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26723 + ... + 31413.

It is an arithmetic number, because the mean of its divisors is an integer number (7346108).

Almost surely, 2^136357988 is an apocalyptic number.

It is an amenable number.

136357988 is a deficient number, since it is larger than the sum of its proper divisors (128101900).

136357988 is a wasteful number, since it uses less digits than its factorization.

136357988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4764 (or 4749 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 50.

The square root of 136357988 is about 11677.2423114364. The cubic root of 136357988 is about 514.7071423851.

The spelling of 136357988 in words is "one hundred thirty-six million, three hundred fifty-seven thousand, nine hundred eighty-eight".