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137925455 = 537745543
BaseRepresentation
bin10000011100010…
…01001101001111
3100121112100011012
420032021031033
5240302103310
621404115435
73263230013
oct1016111517
9317470135
10137925455
1170945488
123a235b7b
1322761cc5
1414464543
15c196c05
hex838934f

137925455 has 8 divisors (see below), whose sum is σ = 169984032. Its totient is φ = 107358048.

The previous prime is 137925443. The next prime is 137925497. The reversal of 137925455 is 554529731.

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 137925455 - 220 = 136876879 is a prime.

It is a super-2 number, since 2×1379254552 = 38046862273914050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 372587 + ... + 372956.

It is an arithmetic number, because the mean of its divisors is an integer number (21248004).

Almost surely, 2137925455 is an apocalyptic number.

137925455 is a deficient number, since it is larger than the sum of its proper divisors (32058577).

137925455 is an equidigital number, since it uses as much as digits as its factorization.

137925455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745585.

The product of its digits is 189000, while the sum is 41.

The square root of 137925455 is about 11744.1668499728. The cubic root of 137925455 is about 516.6718595848.

The spelling of 137925455 in words is "one hundred thirty-seven million, nine hundred twenty-five thousand, four hundred fifty-five".

Divisors: 1 5 37 185 745543 3727715 27585091 137925455