136719853 has 4 divisors (see below), whose sum is σ = 137763648. Its totient is φ = 135676060.

The previous prime is 136719829. The next prime is 136719887. The reversal of 136719853 is 358917631.

136719853 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 358917631 = 2281 ⋅157351.

It is a cyclic number.

It is not a de Polignac number, because 136719853 - 2¹³ = 136711661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136719823) 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, 521701 + ... + 521962.

It is an arithmetic number, because the mean of its divisors is an integer number (34440912).

Almost surely, 2^136719853 is an apocalyptic number.

It is an amenable number.

136719853 is a deficient number, since it is larger than the sum of its proper divisors (1043795).

136719853 is a wasteful number, since it uses less digits than its factorization.

136719853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043794.

The product of its digits is 136080, while the sum is 43.

The square root of 136719853 is about 11692.7264998374. The cubic root of 136719853 is about 515.1620478522.

The spelling of 136719853 in words is "one hundred thirty-six million, seven hundred nineteen thousand, eight hundred fifty-three".