Search a number
-
+
137472151 = 294740419
BaseRepresentation
bin10000011000110…
…10100010010111
3100120200022100011
420030122202113
5240143102101
621350301051
73256331305
oct1014324227
9316608304
10137472151
1170665953
123a057787
132263388b
1414387275
15c107751
hex831a897

137472151 has 4 divisors (see below), whose sum is σ = 142212600. Its totient is φ = 132731704.

The previous prime is 137472109. The next prime is 137472157. The reversal of 137472151 is 151274731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 151274731 = 433518017.

It is a cyclic number.

It is not a de Polignac number, because 137472151 - 213 = 137463959 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 (137472157) 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, 2370181 + ... + 2370238.

It is an arithmetic number, because the mean of its divisors is an integer number (35553150).

Almost surely, 2137472151 is an apocalyptic number.

137472151 is a deficient number, since it is larger than the sum of its proper divisors (4740449).

137472151 is an equidigital number, since it uses as much as digits as its factorization.

137472151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4740448.

The product of its digits is 5880, while the sum is 31.

The square root of 137472151 is about 11724.8518540747. The cubic root of 137472151 is about 516.1052093524.

The spelling of 137472151 in words is "one hundred thirty-seven million, four hundred seventy-two thousand, one hundred fifty-one".

Divisors: 1 29 4740419 137472151