2135722741536 has 48 divisors (see below), whose sum is σ = 5620684305600. Its totient is φ = 710077471488.

The previous prime is 2135722741499. The next prime is 2135722741561. The reversal of 2135722741536 is 6351472275312.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×2135722741536² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28557916 + ... + 28632603.

It is an arithmetic number, because the mean of its divisors is an integer number (117097589700).

Almost surely, 2^{2135722741536} is an apocalyptic number.

It is an amenable number.

2135722741536 is an abundant number, since it is smaller than the sum of its proper divisors (3484961564064).

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

2135722741536 is a wasteful number, since it uses less digits than its factorization.

2135722741536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57190921 (or 57190913 counting only the distinct ones).

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

The spelling of 2135722741536 in words is "two trillion, one hundred thirty-five billion, seven hundred twenty-two million, seven hundred forty-one thousand, five hundred thirty-six".