139026151 has 4 divisors (see below), whose sum is σ = 151664904. Its totient is φ = 126387400.

The previous prime is 139026127. The next prime is 139026157. The reversal of 139026151 is 151620931.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 139026151 - 2¹¹ = 139024103 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 (139026157) 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, 6319360 + ... + 6319381.

It is an arithmetic number, because the mean of its divisors is an integer number (37916226).

Almost surely, 2^139026151 is an apocalyptic number.

139026151 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

139026151 is a deficient number, since it is larger than the sum of its proper divisors (12638753).

139026151 is a wasteful number, since it uses less digits than its factorization.

139026151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12638752.

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 139026151 is about 11790.9351198283. The cubic root of 139026151 is about 518.0426302726.

The spelling of 139026151 in words is "one hundred thirty-nine million, twenty-six thousand, one hundred fifty-one".