154190713 has 4 divisors (see below), whose sum is σ = 155225700. Its totient is φ = 153155728.

The previous prime is 154190693. The next prime is 154190749. The reversal of 154190713 is 317091451.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 317091451 = 5903 ⋅53717.

It can be written as a sum of positive squares in 2 ways, for example, as 81054009 + 73136704 = 9003^2 + 8552^2 .

It is a cyclic number.

It is not a de Polignac number, because 154190713 - 2¹³ = 154182521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (154190213) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 517270 + ... + 517567.

It is an arithmetic number, because the mean of its divisors is an integer number (38806425).

Almost surely, 2^154190713 is an apocalyptic number.

It is an amenable number.

154190713 is a deficient number, since it is larger than the sum of its proper divisors (1034987).

154190713 is a wasteful number, since it uses less digits than its factorization.

154190713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034986.

The product of its (nonzero) digits is 3780, while the sum is 31.

The square root of 154190713 is about 12417.3553142366. The cubic root of 154190713 is about 536.2320144007.

The spelling of 154190713 in words is "one hundred fifty-four million, one hundred ninety thousand, seven hundred thirteen".