137554644465157 has 8 divisors (see below), whose sum is σ = 145659195544536. Its totient is φ = 129451549097472.

The previous prime is 137554644465107. The next prime is 137554644465209. The reversal of 137554644465157 is 751564446455731.

It can be written as a sum of positive squares in 4 ways, for example, as 40537148200641 + 97017496264516 = 6366879^2 + 9849746^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 137554644465157 - 2¹⁵ = 137554644432389 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 137554644465092 and 137554644465101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137554644465107) 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, 363733368 + ... + 364111345.

It is an arithmetic number, because the mean of its divisors is an integer number (18207399443067).

Almost surely, 2^{137554644465157} is an apocalyptic number.

137554644465157 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

137554644465157 is a deficient number, since it is larger than the sum of its proper divisors (8104551079379).

137554644465157 is a wasteful number, since it uses less digits than its factorization.

137554644465157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727855847.

The product of its digits is 846720000, while the sum is 67.

The spelling of 137554644465157 in words is "one hundred thirty-seven trillion, five hundred fifty-four billion, six hundred forty-four million, four hundred sixty-five thousand, one hundred fifty-seven".