136971653 has 8 divisors (see below), whose sum is σ = 168580608. Its totient is φ = 108373104.

The previous prime is 136971631. The next prime is 136971661. The reversal of 136971653 is 356179631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 136971653 - 2¹⁰ = 136970629 is a prime.

It is a super-2 number, since 2×136971653² = 37522467451104818, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 136971653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136971683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 752501 + ... + 752682.

It is an arithmetic number, because the mean of its divisors is an integer number (21072576).

Almost surely, 2^136971653 is an apocalyptic number.

136971653 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

136971653 is a deficient number, since it is larger than the sum of its proper divisors (31608955).

136971653 is a wasteful number, since it uses less digits than its factorization.

136971653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1505203.

The product of its digits is 102060, while the sum is 41.

The square root of 136971653 is about 11703.4889242482. The cubic root of 136971653 is about 515.4781157030.

The spelling of 136971653 in words is "one hundred thirty-six million, nine hundred seventy-one thousand, six hundred fifty-three".