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153180139 = 7121717981
BaseRepresentation
bin10010010000101…
…01011111101011
3101200020100122111
421020111133223
5303203231024
623111103151
73540003220
oct1110253753
9350210574
10153180139
1179514562
1243371ab7
1325973548
14164b5947
15d6aba94
hex92157eb

153180139 has 8 divisors (see below), whose sum is σ = 175216608. Its totient is φ = 131182080.

The previous prime is 153180121. The next prime is 153180163. The reversal of 153180139 is 931081351.

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 153180139 - 27 = 153180011 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 153180139.

It is not an unprimeable number, because it can be changed into a prime (153180179) 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, 472 + ... + 17509.

It is an arithmetic number, because the mean of its divisors is an integer number (21902076).

Almost surely, 2153180139 is an apocalyptic number.

153180139 is a deficient number, since it is larger than the sum of its proper divisors (22036469).

153180139 is a wasteful number, since it uses less digits than its factorization.

153180139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19205.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 153180139 is about 12376.5964222802. The cubic root of 153180139 is about 535.0579481297.

The spelling of 153180139 in words is "one hundred fifty-three million, one hundred eighty thousand, one hundred thirty-nine".

Divisors: 1 7 1217 8519 17981 125867 21882877 153180139