136145031 has 16 divisors (see below), whose sum is σ = 198236160. Its totient is φ = 82425920.

The previous prime is 136145017. The next prime is 136145039. The reversal of 136145031 is 130541631.

It is a cyclic number.

It is not a de Polignac number, because 136145031 - 2⁷ = 136144903 is a prime.

It is a super-2 number, since 2×136145031² = 37070938931981922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 136144992 and 136145010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136145039) 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, 45850 + ... + 48728.

It is an arithmetic number, because the mean of its divisors is an integer number (12389760).

Almost surely, 2^136145031 is an apocalyptic number.

136145031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

136145031 is a deficient number, since it is larger than the sum of its proper divisors (62091129).

136145031 is a wasteful number, since it uses less digits than its factorization.

136145031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4326.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 136145031 is about 11668.1202856330. The cubic root of 136145031 is about 514.4390549254.

Adding to 136145031 its reverse (130541631), we get a palindrome (266686662).

The spelling of 136145031 in words is "one hundred thirty-six million, one hundred forty-five thousand, thirty-one".