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136457139741 = 31317205817707
BaseRepresentation
bin111111100010101111…
…0101011011000011101
3111001012221011221010120
41333011132223120131
54213431011432431
6142404302025153
712600351356436
oct1770536533035
9431187157116
10136457139741
115296455285a
12225432781b9
13cb38899c90
146866cb448d
153839b9a196
hex1fc57ab61d

136457139741 has 16 divisors (see below), whose sum is σ = 207464249664. Its totient is φ = 79033999104.

The previous prime is 136457139739. The next prime is 136457139769. The reversal of 136457139741 is 147931754631.

It is a happy number.

It is not a de Polignac number, because 136457139741 - 21 = 136457139739 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136457139781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102908191 + ... + 102909516.

It is an arithmetic number, because the mean of its divisors is an integer number (12966515604).

Almost surely, 2136457139741 is an apocalyptic number.

It is an amenable number.

136457139741 is a deficient number, since it is larger than the sum of its proper divisors (71007109923).

136457139741 is a wasteful number, since it uses less digits than its factorization.

136457139741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205817740.

The product of its digits is 1905120, while the sum is 51.

The spelling of 136457139741 in words is "one hundred thirty-six billion, four hundred fifty-seven million, one hundred thirty-nine thousand, seven hundred forty-one".

Divisors: 1 3 13 17 39 51 221 663 205817707 617453121 2675630191 3498901019 8026890573 10496703057 45485713247 136457139741