151069813 has 4 divisors (see below), whose sum is σ = 152406828. Its totient is φ = 149732800.

The previous prime is 151069811. The next prime is 151069829. The reversal of 151069813 is 318960151.

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

It can be written as a sum of positive squares in 2 ways, for example, as 71199844 + 79869969 = 8438^2 + 8937^2 .

It is a cyclic number.

It is not a de Polignac number, because 151069813 - 2¹ = 151069811 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 (151069811) 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, 668338 + ... + 668563.

It is an arithmetic number, because the mean of its divisors is an integer number (38101707).

Almost surely, 2^151069813 is an apocalyptic number.

It is an amenable number.

151069813 is a deficient number, since it is larger than the sum of its proper divisors (1337015).

151069813 is a wasteful number, since it uses less digits than its factorization.

151069813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1337014.

The product of its (nonzero) digits is 6480, while the sum is 34.

The square root of 151069813 is about 12291.0460498690. The cubic root of 151069813 is about 532.5894556084.

The spelling of 151069813 in words is "one hundred fifty-one million, sixty-nine thousand, eight hundred thirteen".