151391407 has 2 divisors, whose sum is σ = 151391408. Its totient is φ = 151391406.

The previous prime is 151391399. The next prime is 151391423. The reversal of 151391407 is 704193151.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 151391407 - 2³ = 151391399 is a prime.

It is a super-2 number, since 2×151391407² = 45838716226879298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151391467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75695703 + 75695704.

It is an arithmetic number, because the mean of its divisors is an integer number (75695704).

Almost surely, 2^151391407 is an apocalyptic number.

151391407 is a deficient number, since it is larger than the sum of its proper divisors (1).

151391407 is an equidigital number, since it uses as much as digits as its factorization.

151391407 is an evil number, because the sum of its binary digits is even.

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

The square root of 151391407 is about 12304.1215452384. The cubic root of 151391407 is about 532.9671092160.

The spelling of 151391407 in words is "one hundred fifty-one million, three hundred ninety-one thousand, four hundred seven".