136898140 has 12 divisors (see below), whose sum is σ = 287486136. Its totient is φ = 54759248.

The previous prime is 136898129. The next prime is 136898143. The reversal of 136898140 is 41898631.

It is a super-2 number, since 2×136898140² = 37482201470919200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 136898093 and 136898102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136898143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3422434 + ... + 3422473.

It is an arithmetic number, because the mean of its divisors is an integer number (23957178).

Almost surely, 2^136898140 is an apocalyptic number.

136898140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136898140 is an abundant number, since it is smaller than the sum of its proper divisors (150587996).

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

136898140 is a wasteful number, since it uses less digits than its factorization.

136898140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6844916 (or 6844914 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 136898140 is about 11700.3478580767. The cubic root of 136898140 is about 515.3858797714.

The spelling of 136898140 in words is "one hundred thirty-six million, eight hundred ninety-eight thousand, one hundred forty".