136745020015734 has 128 divisors (see below), whose sum is σ = 313193989075968. Its totient is φ = 39478853905920.

The previous prime is 136745020015727. The next prime is 136745020015741. The reversal of 136745020015734 is 437510020547631.

It is an interprime number because it is at equal distance from previous prime (136745020015727) and next prime (136745020015741).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 489247344 + ... + 489526764.

It is an arithmetic number, because the mean of its divisors is an integer number (2446828039656).

Almost surely, 2^{136745020015734} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136745020015734, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156596994537984).

136745020015734 is an abundant number, since it is smaller than the sum of its proper divisors (176448969060234).

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

136745020015734 is a wasteful number, since it uses less digits than its factorization.

136745020015734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284662.

The product of its (nonzero) digits is 2116800, while the sum is 48.

The spelling of 136745020015734 in words is "one hundred thirty-six trillion, seven hundred forty-five billion, twenty million, fifteen thousand, seven hundred thirty-four".