151370138 has 4 divisors (see below), whose sum is σ = 227055210. Its totient is φ = 75685068.

The previous prime is 151370123. The next prime is 151370147. The reversal of 151370138 is 831073151.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 831073151 = 1229 ⋅676219.

It can be written as a sum of positive squares in only one way, i.e., 149401729 + 1968409 = 12223^2 + 1403^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 151370138.

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 as a sum of consecutive naturals, namely, 37842533 + ... + 37842536.

Almost surely, 2^151370138 is an apocalyptic number.

151370138 is a deficient number, since it is larger than the sum of its proper divisors (75685072).

151370138 is an equidigital number, since it uses as much as digits as its factorization.

151370138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75685071.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 151370138 is about 12303.2572109990. The cubic root of 151370138 is about 532.9421491725.

The spelling of 151370138 in words is "one hundred fifty-one million, three hundred seventy thousand, one hundred thirty-eight".