136423201400 has 120 divisors (see below), whose sum is σ = 337048966920. Its totient is φ = 51353034240.

The previous prime is 136423201357. The next prime is 136423201433. The reversal of 136423201400 is 4102324631.

It is a super-2 number, since 2×136423201400² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 136423201400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 16700117 + ... + 16708283.

It is an arithmetic number, because the mean of its divisors is an integer number (2808741391).

Almost surely, 2^136423201400 is an apocalyptic number.

136423201400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136423201400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168524483460).

136423201400 is an abundant number, since it is smaller than the sum of its proper divisors (200625765520).

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

136423201400 is an frugal number, since it uses more digits than its factorization.

136423201400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8251 (or 8191 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The spelling of 136423201400 in words is "one hundred thirty-six billion, four hundred twenty-three million, two hundred one thousand, four hundred".