136971500 has 24 divisors (see below), whose sum is σ = 299146848. Its totient is φ = 54788400.

The previous prime is 136971479. The next prime is 136971503. The reversal of 136971500 is 5179631.

It is a super-2 number, since 2×136971500² = 37522383624500000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (136971503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136472 + ... + 137471.

It is an arithmetic number, because the mean of its divisors is an integer number (12464452).

Almost surely, 2^136971500 is an apocalyptic number.

136971500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136971500 is an abundant number, since it is smaller than the sum of its proper divisors (162175348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136971500 is a wasteful number, since it uses less digits than its factorization.

136971500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273962 (or 273950 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 32.

The square root of 136971500 is about 11703.4823877340. The cubic root of 136971500 is about 515.4779237699.

The spelling of 136971500 in words is "one hundred thirty-six million, nine hundred seventy-one thousand, five hundred".