151866413 has 4 divisors (see below), whose sum is σ = 154440480. Its totient is φ = 149292348.

The previous prime is 151866397. The next prime is 151866431. The reversal of 151866413 is 314668151.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 151866413 - 2⁴ = 151866397 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 (151866443) 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, 1286945 + ... + 1287062.

It is an arithmetic number, because the mean of its divisors is an integer number (38610120).

Almost surely, 2^151866413 is an apocalyptic number.

It is an amenable number.

151866413 is a deficient number, since it is larger than the sum of its proper divisors (2574067).

151866413 is an equidigital number, since it uses as much as digits as its factorization.

151866413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2574066.

The product of its digits is 17280, while the sum is 35.

The square root of 151866413 is about 12323.4091468230. The cubic root of 151866413 is about 533.5239401613.

The spelling of 151866413 in words is "one hundred fifty-one million, eight hundred sixty-six thousand, four hundred thirteen".